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ICS-900 Operator’s Manual

8

Doc. 065215-02 9/09

LEDs

Three status LEDs (described below) are on the ICS-900 front door.

Other status information and alarm messages are displayed in the Audit
Trail in Chromeleon or Chromeleon Xpress. For a description of these
messages, see

Injection Port

The injection port can be connected to the injection valve inside the
ICS-900. The sample to be analyzed is injected into the injection port
using a syringe. For automated sample injections, the ICS-900 injection
valve can be connected to an autosampler, instead of to the injection port.
For more information about sample injection, see

Eluent and Regenerant Bottles

The ICS-900 top cover is molded to hold one eluent bottle assembly
(P/N 062510) and one regenerant bottle assembly (anion, P/N 068222;
cation, P/N 068223).

•

Eluent carries the sample through the ICS-900 and facilitates the ion
separation process. The type of eluent used depends on the analyses

LED Label

If On (Green)

If Flashing

Power

ICS-900 power is on

Does not flash

Ready

System check passed, but
sequence not yet started
(LED stays on until run starts
or sequence is aborted)

System check failed (occurs if
system check executes for
10 minutes without success)

Run

Running/acquiring data

Error/alarm/fault (including
injection valve position)

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Содержание ICS-900

Страница 1: ...ICS 900 Ion Chromatography System Operator s Manual Document No 065215 Revision 02 September 2009...

Страница 2: ...PORATION DOES NOT WARRANT GUARANTEE OR MAKE ANY EXPRESS OR IMPLIED REPRESENTATIONS REGARDING THE USE OR THE RESULTS OF THE USE OF THIS PUBLICATION IN TERMS OF CORRECTNESS ACCURACY RELIABILITY CURRENTN...

Страница 3: ...ymbols 5 1 3 3 Declaration of Conformity 6 2 Description 7 2 1 Operating Features 7 2 1 1 Front Door and Top Cover 7 2 1 2 Component Mounting Panel 9 2 1 3 Rear Panel 11 2 2 Fluid Schematic 14 2 3 Sys...

Страница 4: ...7 3 2 Turning On the ICS 900 Power 28 3 3 Connecting to Chromeleon or Chromeleon Xpress 28 3 4 Preparing the Eluent 29 3 5 Preparing the Regenerant 30 3 6 Priming the Pump 32 3 7 Equilibrating the Sys...

Страница 5: ...tions 51 4 2 Liquid Leaks 57 4 3 Pump Difficult to Prime or Loses Prime 58 4 4 Pump Does Not Start 59 4 5 No Flow 59 4 6 Erratic Flow Pressure Reading 59 4 7 Excessive System Backpressure 60 4 8 Peak...

Страница 6: ...ottles 76 5 5 Changing the Sample Loop 76 5 6 Cleaning and Replacing Pump Check Valves 77 5 7 Replacing a Pump Piston Seal and Backup Seal 80 5 8 Replacing a Pump Piston 86 5 9 Replacing the Waste Val...

Страница 7: ...C 3 Configuring Relay Output 1 or 2 to Respond to the Pump Flow 106 C 4 Controlling TTL and Relay Outputs 108 C 5 Controlling an AS40 Automated Sampler with a Relay 110 D FAQ 113 D 1 How do I connect...

Страница 8: ...ete data 114 D 10 How do I shut off the system 115 D 11 How do I store columns 115 D 12 How do I know when a column is dirty 115 D 13 How do I clean a column 115 D 14 Why is the conductivity high 115...

Страница 9: ...Xpress The Chromeleon Chromatography Management System provides complete instrument control data acquisition and data management Chromeleon Xpress provides real time control and monitoring of Dionex...

Страница 10: ...ions used in this manual including safety related information Chapter 2 Description Describes ICS 900 operating features the chromatographic flow path and the software required for ICS 900 control Cha...

Страница 11: ...Notes This manual contains warnings and precautionary statements that can prevent personal injury and or damage to the ICS 900 when properly followed Safety messages appear in bold type and are accomp...

Страница 12: ...nger potentiel qui si elle n est pas vit e pourrait entra ner des blessures graves mortelles Signale une situation de danger potentiel qui si elle n est pas vit e pourrait entra ner des blessures mine...

Страница 13: ...n unexpected result of an action suggest how to optimize instrument performance etc 1 3 2 Safety Symbols These symbols appear on the ICS 900 or on ICS 900 labels Alternating current Primary protective...

Страница 14: ...900 Operator s Manual 6 Doc 065215 02 9 09 1 3 3 Declaration of Conformity The cETLus and CE marks on the ICS 900 model data label indicate that the ICS 900 is in compliance with the following standa...

Страница 15: ...g Features 2 1 1 Front Door and Top Cover Figure 2 1 illustrates the front door and top cover of the ICS 900 Ion Chromatography System ICS 900 Figure 2 1 ICS 900 Ion Chromatography System Status LEDs...

Страница 16: ...ad of to the injection port For more information about sample injection see Section 3 11 5 Eluent and Regenerant Bottles The ICS 900 top cover is molded to hold one eluent bottle assembly P N 062510 a...

Страница 17: ...ant An ICS 900 configured for cation analyses uses tetrabutylammonium hydroxide TBAOH regenerant For more information about suppressor regeneration see Section 2 3 5 2 1 2 Component Mounting Panel Fig...

Страница 18: ...ction 2 3 4 Separator and Guard Columns Both the separator and guard columns are packed with resin and perform the separation of the sample ions The main function of the guard column is to trap contam...

Страница 19: ...hromeleon or Chromeleon Xpress is installed For the standard system configuration of one ICS 900 connected to a PC connect a USB cable between the USB connector on the ICS 900 and a USB port on the PC...

Страница 20: ...Holder Power Switch and Power Receptacle The fuse holder contains two fast blow IEC 127 fuses rated 3 15 A P N 954745 For instructions on how to change the fuses see Section 5 13 The power switch prov...

Страница 21: ...00 through the tubing chase on the lower left corner of the rear panel Eluent Regenerant Cell outlet Waste sample regenerant and pump priming Das Netzkabel ist das wichtigste Mittel zur Stromunterbrec...

Страница 22: ...In Regen Out Eluent Out To Waste L L P C W S To Waste To MMS Regen In Pump Heads Primary Secondary Pulse Damper Sample in Eluent Conductivity Cell in DS5 Detection Stabilizer Regenerant Eluent in from...

Страница 23: ...sample loop pushing the sample into the eluent stream The eluent sample mixture is pumped through the guard and separator columns where the ions are separated by the ion exchange process The eluent s...

Страница 24: ...check valves which prevent reverse flow through the pump are located on the bottom inlet and top outlet of the primary pump head Secondary Pump Head The secondary pump head delivers eluent to the pre...

Страница 25: ...han a 3 difference from one pressure reading to the next High and low pressure limits can be used to stop the pump flow if a limit is exceeded The pressure limits can be set from Chromeleon in the Ser...

Страница 26: ...ws from the pump through the valve and to the column bypassing the sample loop Sample flows from the syringe or autosampler line if installed through the valve and into the sample loop Excess sample f...

Страница 27: ...he suppression ability of the MMS 300 A process called Displacement Chemical Regeneration DCR pushes regenerant from the regenerant bottle through the suppressor See Section 2 3 5 for details For more...

Страница 28: ...t and it remains on the top of the bottle forcing the regenerant into the regenerant line at the bottom of the bottle and out into the suppressor In the cation DCR process see Figure 2 9 the eluent is...

Страница 29: ...el electrodes that are permanently sealed into the PEEK cell body The cell measures the electrical conductance of analyte ions as they pass through the cell Temperature directly affects the conductivi...

Страница 30: ...h helps to insulate the cell from fluctuations in ambient temperature The conductivity cell has two detection limit ranges 0 to 500 S or 0 to 10 000 S Select the range depending on the expected detect...

Страница 31: ...ntrol and monitoring of Dionex chromatography instruments but does not include data management capabilities 2 4 1 The Panel Tabset The Chromeleon and Chromeleon Xpress panel tabset provides a centrali...

Страница 32: ...efault Panel Tabset toolbar button or select View Default Panel Tabset If Chromeleon Xpress is installed start the application this automatically displays the ICS 900 panel tabset 2 4 2 Software Contr...

Страница 33: ...seal The volume of eluent pumped through the suppressor and column You can set limits for injection valve cycles piston strokes piston seal wear suppressor usage and column usage Two limits can be set...

Страница 34: ...lWear SuppressorVolume ColumnVolume see Figure 2 12 If you do not wish to receive these warning or error messages you can disable them by setting the Warning and Limit parameter for each Predictive Pe...

Страница 35: ...900 Ion Chromatography System ICS 900 3 1 Operation Overview Figure 3 1 illustrates the basic steps for routine operation of the ICS 900 Figure 3 1 ICS 900 Operation Flow Chart Turn on the ICS 900 po...

Страница 36: ...hen the Server is not running the icon is crossed out in red To start the server right click the icon and select Start Server b If the Server Monitor icon is not on the Windows taskbar click Start and...

Страница 37: ...the cap Set the Eluent Level After filling the bottle move the Eluent Remaining slider on the ICS 900 Control panel see Figure 3 3 to indicate the volume of liquid in the bottle The ICS 900 determines...

Страница 38: ...sembly P N 068222 for anion analyses P N 068223 for cation analyses For anions verify that the cap is labeled ANION and the REGEN BOTTLE OUT line extends to the bottom of the bottle For cations verify...

Страница 39: ...nt always pour the concentrate into deionized water not into the empty bottle Pour les concentr s acides comme le r g n rant anionique versez toujours le concentr dans de l eau d sionis e et non dans...

Страница 40: ...ine contains air or the pump heads are dry for example after servicing NOTE If the eluent line is empty or the pump heads are completely dry you can use a 10 cc syringe P N 054578 to prime the pump se...

Страница 41: ...d select the Prime option The pump will begin pumping at approximately 3 mL min 5 Continue priming the ICS 900 until no air bubbles are exiting the pump waste line 6 Click Pump Off 7 Close the waste v...

Страница 42: ...3 6 3 Open the waste valve by turning it one half turn counterclockwise 4 Draw the syringe back to begin removing air from the flow path NOTE When the line already contains liquid the syringe will be...

Страница 43: ...he air by temporarily removing the pump fitting P on the injection valve Allow the air to escape and then reconnect the fitting If the pressure is too high there may be a restriction in the system plu...

Страница 44: ...tion program click Start on the Windows taskbar and select All Programs or Programs Chromeleon Server Configuration 2 Right click the ICS 900 device in the timebase and select Properties 3 Click Optio...

Страница 45: ...as soon as possible Nitrite oxidizes to nitrate and sulfite to sulfate thus increasing the measured concentrations of these ions in the sample In general samples that do not contain nitrite or sulfit...

Страница 46: ...lution is not necessary Use eluent or ASTM Type I 18 megohm cm filtered and deionized water to dilute the sample When using carbonate eluents diluting with eluent minimizes the effect of the water dip...

Страница 47: ...ws the typical steps for manual and batch sample processing Figure 3 8 Sample Processing Overview Start data acquisition Manual Sample Processing Inject the sample Autozero Stop data acquisition Batch...

Страница 48: ...injection valve sample loop with an autosampler see Section 3 11 4 or a syringe see Section 3 11 5 3 On the ICS 900 Control panel click the Autozero button 4 On the Sequence Control panel click the Ac...

Страница 49: ...does not allow data to be saved If you are using Chromeleon data from manual processing is saved in the manual sequence under the timebase folder in the local datasource To save the data from a manual...

Страница 50: ...lume etc After creating the sequence you can start batch processing Summary of Automatic Sample Processing 1 Complete the instructions in Section 3 2 through Section 3 10 to prepare the ICS 900 for op...

Страница 51: ...ples and standards to the list For help click the Help button on the Sequence Wizard page After you click Finish a sequence is created and a program appropriate for the selected application is copied...

Страница 52: ...or cassette Refer to the autosampler manual for detailed instructions 3 Use one of the following methods to load sample into the injection valve sample loop and inject it onto the column Automaticall...

Страница 53: ...at the AS is shown see Figure 3 12 For an AS40 verify that the ICS 900 is shown see Figure 3 13 4 To change the controlling device select the Pump_InjectValve name and press the F2 key On the Device C...

Страница 54: ...le 3 Insert the syringe into the sample loading port on the front of the ICS 900 4 Verify that the injection valve is in the Load position If it is not click the Load button on the ICS 900 Control pan...

Страница 55: ...ine into the sample 4 Verify that the injection valve is in the Load position If it is not click the Load button on the ICS 900 Control panel see Figure 3 11 5 Insert a syringe into the sample loading...

Страница 56: ...wing examples show commands for loading and injecting samples using an AS AS DV or AS40 autosampler Example AS Program Commands Example AS DV Program Commands 0 000 Pump_ECD Autozero Zero the baseline...

Страница 57: ...ance procedures for the ICS 900 that users may perform All other maintenance procedures must be performed by Dionex personnel As Needed Make fresh eluent Regularly check the eluent bottle and refill i...

Страница 58: ...ousing causing the pump to operate poorly If leaks occur replace the piston seals see Section 5 7 Annually Change the pump seals see Section 5 7 Rebuild the injection valve see Section 5 10 If an AS o...

Страница 59: ...arms and Error Conditions If any of the following alarm conditions occurs an error message is displayed in the Chromeleon or Chromeleon Xpress Audit Trail Each error message is preceded by an icon tha...

Страница 60: ...to regenerate for 10 minutes c Turn off the pump and allow the suppressor to hydrate for 20 minutes d Reconnect the separator column outlet line and cell inlet line to the suppressor ports 2 If the h...

Страница 61: ...T OUT port and about 5 mL of 200 mM NaOH through the REGEN IN port c Allow the suppressor to sit for at least 20 minutes to fully hydrate it If the problem persists replace the suppressor see Section...

Страница 62: ...e this error message to be displayed If this warning appears contact Dionex for assistance The ICS 900 electronics components cannot be serviced by the user This error indicates a problem in the pump...

Страница 63: ...see Section 4 2 These errors occur when the ICS 900 determines that the eluent bottle contains less than the volume specified in the message To troubleshoot The ICS 900 determines the eluent usage by...

Страница 64: ...6 For additional troubleshooting information about pump priming see Section 4 3 If the system pressure exceeds the maximum pressure limit for 0 5 second Chromeleon or Chromeleon Xpress stops the pump...

Страница 65: ...r it exits the ICS 900 If a line is blocked replace it see Section 5 2 Loose pump check valve housing Make sure the check valves are firmly seated in the pump head If they are not tighten them careful...

Страница 66: ...ionex Liquid Line Fittings Document No 031432 for tightening requirements The manual is included on the Dionex Reference Library CD ROM P N 053891 Liquid leaks from behind the valve stator may indicat...

Страница 67: ...ear panel fails to light The USB cable is not connected correctly For connection instructions see the ICS 900 Ion Chromatography System Installation Instructions Document No 065214 provided on the Dio...

Страница 68: ...r to the instructions in the column manual for troubleshooting guidance Column manuals are included on the Dionex Reference Library CD ROM P N 053891 Contaminated columns Clean the columns as instruct...

Страница 69: ...Section 3 10 3 Liquid leaks Locate and eliminate the leaks see Section 4 2 Incomplete or imprecise filling of the sample loop 1 Fill the sample loop until excess sample exits the waste line 2 Inspect...

Страница 70: ...onics malfunctioning Use the Wellness panel to test the electronics with a dummy cell see Section 5 1 and the Chromeleon Help for instructions If the conductivity reading with the dummy cell is outsid...

Страница 71: ...htening them Also loosen and retighten the fittings to and from the MMS eluent ports Pump not properly primed Prime the pump see Section 3 6 Contaminated or incorrect eluent and or regenerant Remake t...

Страница 72: ...r system equilibration time up to 3 hours before starting to inject samples Incorrect suppressor operating conditions Refer to the suppressor manual for troubleshooting information Suppressor manuals...

Страница 73: ...ause of the problem 5 1 Diagnostics and Calibrations The Wellness panel see Figure 5 2 provides controls for performing diagnostic and calibration functions This section provides an overview of Wellne...

Страница 74: ...perator s Manual 66 Doc 065215 02 9 09 2 Double click Dionex_ICS 900_wellness pan see Figure 5 2 The Wellness panel opens see Figure 5 2 Figure 5 1 Opening the Wellness Panel Figure 5 2 ICS 900 Wellne...

Страница 75: ...k the Log Serial button to record the ICS 900 serial number in the Audit Trail The Calibration or Diagnostic box is green while a calibration or diagnostic procedure is running The current total syste...

Страница 76: ...Conductivity Cell Variance values are a measure of the noise of the respective channels The values of these measurements will vary with differing eluents pump seal age and wear background conductivity...

Страница 77: ...ICS 900 Wellness panel see Section 5 1 4 Under Pressure Transducer click the Calibrate Offset button see Figure 5 2 A panel with instructions and command buttons will open 5 Follow the instructions on...

Страница 78: ...pump 5 1 4 Calibrating the Cell Calibrate the cell every 6 months or after installing a new conductivity cell 1 Use an Allen wrench to remove the two screws securing the conductivity cell housing to t...

Страница 79: ...rs on the cell housing with the component mounting panel and plug the cell back into the electronics Replace the mounting screws removed in Step 1 and tighten 6 Under Conductivity Cell click the Calib...

Страница 80: ...capable of weighing more than 10 g with 0 001 g readability Tared beaker To calibrate 1 Open the ICS 900 Wellness panel see Section 5 1 2 Under Pump Flow Rate Calibration click Calibration Procedure...

Страница 81: ...or injection port to the injection valve Tubing Size and Type Used For 0 125 mm 0 005 in ID PEEK red P N 044221 Connection from pump pulse damper to pressure transducer 0 25 mm 0 010 in ID PEEK black...

Страница 82: ...ginning at the cell exit One at a time loosen each fitting and observe the pressure The connection at which the pressure drops abnormally indicates the point of restriction If the restriction has caus...

Страница 83: ...L P C W S To Waste To MMS Regen In Pump Heads Primary Secondary Pulse Damper Sample in Eluent Conductivity Cell in DS5 Detection Stabilizer Regenerant Eluent in from pulse damper MMS 300 To cell inle...

Страница 84: ...ttle use an algicide or disinfectant dilute hydrogen peroxide etc 5 Rinse cleaning chemicals out of the bottle with ASTM Type I 18 megohm cm filtered and deionized water 6 Dry the bottle with clean pa...

Страница 85: ...the pump to lose prime and or be difficult to reprime If possible replace dirty check valves If new check valves are not available follow the instructions for cleaning To replace the check valves 1 Tu...

Страница 86: ...is not visible remove the cartridge from the housing and install it correctly 6 Inspect the new outlet check valve assembly P N 045721 to verify that the single hole end of the cartridge is visible If...

Страница 87: ...ICS 900 main power 9 Prime the pump see Section 3 6 10 When the ICS 900 is at operating pressure check for leaks from the check valves Tighten a check valve a little more only if it leaks To clean the...

Страница 88: ...t the power cord 2 Disconnect all tubing connections to the pump head 3 Using a 7 64 in hex key P N 068227 loosen the two screws on the pump head with the defective seal Remove the screws and then car...

Страница 89: ...Pump Head Primary Pump Head P N 067702 Piston P N 052840 Seal Holder P N 067706 Backup Piston Seal P N 063382 Spacer with Drain P N 067705 O Ring P N 014895 Piston Seal P N 055870 Inlet Check Valve A...

Страница 90: ...scratch the spacer 3 To remove the backup piston seal from the spacer insert a thin object for example the straightened end of a paper clip and carefully pry out the backup piston seal Be careful not...

Страница 91: ...4 If this is the secondary pump head install a 10 32 fitting plug P N 042772 in both the inlet and outlet ports Tighten the plugs 5 Push the piston into the head This should hydraulically unseat the...

Страница 92: ...Lubricate the seal and the pump head opening with a small amount of isopropyl alcohol to facilitate insertion 3 Push the piston through the spacer and then through the new piston seal 4 Insert the pi...

Страница 93: ...rs itself onto the magnetic follower 1 Hold the assembled spacer and guide with the drain tube aligned vertically and press the spacer into the head until it is flush with the indented surface of the...

Страница 94: ...p_ECD and scroll to the ResetSealWear command see Figure 5 11 c Select the command and click Execute 5 8 Replacing a Pump Piston Continued leaking of the piston seal after installation of a new seal a...

Страница 95: ...the pump head 3 If the seal is removed with the valve knob in Step 2 pull the seal off the end of the knob see Figure 5 13 If the seal is not removed with the valve knob insert a thin object for exam...

Страница 96: ...ilding the injection valve annually The Injection Valve Rebuild Kit P N 057896 contains all required replacement parts NOTE Substitution of non Dionex parts may impair valve performance and void the p...

Страница 97: ...in Chromeleon or Chromeleon Xpress a Press F8 to open the Commands dialog box b Expand the list of commands under Pump_ECD and scroll to the ResetInjValveCounter command see Figure 5 14 c Select the c...

Страница 98: ...ve the two screws on the top of the cell housing 6 Remove the cell by unplugging it from the component mounting panel 7 Plug the new conductivity cell P N 067761 into its mounting location 8 Replace t...

Страница 99: ...he Dionex Reference Library CD ROM P N 053891 1 Turn off the pump 2 Open the front door of the ICS 900 3 Disconnect the four eluent and regenerant lines from the suppressor 4 Slide the suppressor to t...

Страница 100: ...ce the two fuses with new fast blow IEC 127 fuses rated 3 15 A P N 954745 Dionex recommends always replacing both fuses Figure 5 16 Fuse Drawer 6 Insert the fuse drawer into the rear panel and press u...

Страница 101: ...90 W Maximum line draw 1 5 A Fuses Two fast blow IEC 127 fuses rated 3 15 A P N 954745 Dimensions Height without bottles 33 cm 13 in Height with bottles and cap tubing 60 cm 24 in Width 24 cm 9 5 in...

Страница 102: ...between the ICS 900 and Chromeleon or Chromeleon Xpress flashes when data is being transmitted or received Type Serial dual reciprocating piston microprocessor controlled constant stroke variable spe...

Страница 103: ...d 4 mm anion and cation Displacement Chemical Regeneration 2 mm and 4 mm anion and cation Electrolytic Suppression Self Regenerating With RFC 10 Self Regenerating with External Water With RFC 10 Suppr...

Страница 104: ...staltic pump and inline filters not required Column Heater Thermostat Optional with CTS 10 external heater Temperature set range of 25 to 85 C minimum 5 C above ambient Type Bipolar heated conductivit...

Страница 105: ...emical Compatibility Fully compatible with all typical ion chromatography eluents including MSA Automation Using Autosampler Dionex AS 40 AS AS DV and AS HV Autosamplers or third party autosampler Seq...

Страница 106: ...luding GC HPLC and MS from more than 30 manufacturers Customizable System Control Panels Standard feature System Status Virtual Channels Standard feature Power Failure Protection Standard feature Sequ...

Страница 107: ...piston seal 067706 Seal holder 052840 Piston Sample Loop and Injection Valve 042949 10 L sample loop assembly 057896 Injection valve rebuild kit 024305 Luer adapter fitting 1 4 28 for manual injection...

Страница 108: ...trate 057561 Cation regenerant concentrate 100 mL of 2 06 M TBAOH 057556 4 pack of cation regenerant concentrate Suppressors and Cell 064558 AMMS 300 suppressor 4 mm 064559 AMMS 300 suppressor 2 mm 06...

Страница 109: ...open when the pump flow is off thus ensuring that a connected device is turned off when the pump flow is off See Section C 3 for details Figure C 1 TTL and Relay Connector on Rear Panel Relay loads i...

Страница 110: ...nd a ground wire black to the 12 position connector plug at the appropriate pin locations Refer to Figure C 1 or the label on the ICS 900 rear panel for the connector pin assignments To attach a wire...

Страница 111: ...e turned off when the pump flow is off enable the Flow Zero option in the Chromeleon Server Configuration program see Section C 3 C 2 Selecting TTL Input Control Modes and Functions To select a contro...

Страница 112: ...pond to four types of signals to accommodate different controlling devices The default control mode Normal Edge is compatible with the output signals provided by Dionex modules If the device connected...

Страница 113: ...edge has no effect Inverted Edge The inverted edge mode works identically to the normal edge mode except that the positive and negative edges are reversed in function Normal Pulse In normal pulse oper...

Страница 114: ...ice to be turned on when the pump flow starts and turned off when the flow stops 1 Start the Chromeleon Server Configuration program click Start on the Windows taskbar and select All Programs or Progr...

Страница 115: ..._1 5 Select the Flow Zero check box and click OK The ICS 900 will now open this relay output when the pump flow stops and close the relay when the flow starts The relay can then be used turn a connect...

Страница 116: ...ing a TTL output to 0 volts turns on the action in the connected device You can control the TTL and relay output states either by issuing direct control commands from the Chromeleon or Chromeleon Xpre...

Страница 117: ...for controlling the TTL and relay outputs to the Chromeleon or Chromeleon Xpress program You can enter the commands on the Relay and State Devices page in the Program Editor or Program Wizard see Fig...

Страница 118: ...ected to the Load relay on an AS40 The command Pump_ECD_Relay_1 Closed closes Relay Out 1 which starts the AS40 sample Figure C 9 Example AS40 Automated Sampler Connection Relay Control Cable RELAY CO...

Страница 119: ...11 Load cycle After 138 seconds Duration 138 00 the AS40 Load cycle is complete and the relay is opened Figure C 10 Example Program for AS40 Control Relay Out 1 closed The AS40 Load cycle starts ends...

Страница 120: ...ICS 900 Operator s Manual 112 Doc 065215 02 9 09...

Страница 121: ...he ICS 900 Ship Kit P N 067768 D 2 How often should I perform calibrations Recalibrate every six months or after changing a major component separator column cell suppressor etc D 3 Why are the retenti...

Страница 122: ...y for calibration and should always be made fresh they have a lifetime of only one week D 6 When should I remake eluents Eluents should be remade every two or three weeks In addition always remake the...

Страница 123: ...of the column manual Column manuals are included on the Dionex Reference Library CD ROM P N 053891 D 13 How do I clean a column See the troubleshooting section of the column manual Column manuals are...

Страница 124: ...ICS 900 Operator s Manual 116 Doc 065215 02 9 09...

Страница 125: ...e running a sample the system is calibrated using a standard solution By comparing the data obtained from a sample to that obtained from the standard sample ions can be identified and quantitated A PC...

Страница 126: ...ent rates depending upon their interactions with the ion exchange sites 3 Detection After the eluent and sample ions leave the column they flow through a suppressor that selectively enhances detection...

Страница 127: ...or area versus analyte concentration Capacity Factor k The number of column volumes of eluent pumped through the column required to elute an analyte Capacity factor is a dimensionless measure of reten...

Страница 128: ...54 t1 W1 2 2 Where t1 the peak retention time in seconds W1 2 the peak width at 1 2 height in seconds Column efficiency is proportional to column length for a given resin and column diameter increasi...

Страница 129: ...m2 in area and exactly 1 cm apart Guard Column A small column that prevents poisoning of the separator column by sorbing organic contaminants and removing particulates It is filled with the same packi...

Страница 130: ...components It is expressed as the ratio of the distance between the two peak maxima to the mean value of the peak width at the baseline R 2 t2 t1 W2 W1 Where t1 and t2 the retention times of componen...

Страница 131: ...ty of a solution with a 1 o C change in temperature Every solution has a characteristic temperature coefficient which is determined experimentally Theoretical Plates N See Column Efficiency Void Volum...

Страница 132: ...ICS 900 Operator s Manual 124 Doc 065215 02 9 09...

Страница 133: ...panel 24 Autosampler specifications 97 Autozero 35 40 B Background conductivity High 52 62 Offsetting 35 Backpressure 17 Monitoring 35 Restriction in plumbing 74 Troubleshooting 60 Backpressure coils...

Страница 134: ...parator and guard 10 Storing 115 Commands Creating a program 42 Commands dialog box 25 Component mounting panel 9 23 MMS 300 suppressor 19 Pump 16 Conductivity Background reading 35 Baseline 35 Causes...

Страница 135: ...en to remake 114 Eluent bottle 8 Cleaning 76 Monitoring liquid level in 29 Eluent level 29 Environmental specifications Gas pressure 93 Humidity 93 Operating pressure 93 Operating temperature 93 Equil...

Страница 136: ...llation TTL and relay connections 101 102 Inverted pulse TTL input control 105 Ion chromatography overview 117 Ion exchange 118 Isocratic delivery system 118 L Leaks Cell 58 Fittings 57 Injection valv...

Страница 137: ...commands 42 Peak ghosting 60 Peak height Troubleshooting 61 PEEK cell body 21 PGM file See Programs Physical specifications Decibel level 93 Dimensions 93 Weight 93 Piston seal Replacing 80 81 Piston...

Страница 138: ...capabilities 94 Operating pressure 94 Pressure ripple 94 Type 94 Vacuum degasser 94 Push method 46 Q Quantification method 42 43 R Ready LED 8 Rear panel 9 11 Fuses 12 Link LED 12 Power receptacle 12...

Страница 139: ...8 Replacing conductivity cell 90 Replacing pump piston seal 80 Replacing the suppressor 92 Replacing tubing and fittings 73 Restriction in liquid lines 56 74 Service chase 11 Service procedures 78 79...

Страница 140: ...Compensating 22 During data collection 22 Heating the cell 22 Minimizing the effect of variations 22 Tetrabutylammonium hydroxide regenerant 9 31 Thermostat specifications 96 Timebase 23 24 Top cover...

Страница 141: ...ty voiding 65 Waste lines 13 Blocked 57 Waste valve 16 Opening 16 80 Seal replacement procedure 87 Water samples 37 Weight 93 Wellness 25 Wellness panel 65 Audit Trail 67 Diagnostics 68 Dummy cell 68...

Страница 142: ...ICS 900 Operator s Manual Index 10 Doc 065215 02 9 09...

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