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Maintenance

M

aintenance

This chapter describes the storage procedure of the electrode as well as
the lifespan and replacement procedure of each part.

Storage............................................ 46

Main unit of electrode.................................................46

Consumables.................................. 47

Consumables and replacement periods ....................47

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Summary of Contents for 6560S-10C

Page 1: ...Instruction Manual Combination type Chloride Ion Selective Electrode 6560S 10C ELECTRODE ...

Page 2: ...ange without notice Warranty and responsibility This product is not covered by warranty because it is a consumable item HORIBA Advanced Techno Co Ltd SHALL NOT BE LIABLE FOR ANY DAMAGES RESULTING FROM ANY MALFUNCTIONS OF THE PRODUCT ANY ERASURE OF DATA OR ANY OTHER USES OF THE PRODUCT Trademarks QR Code is a trademark of DENSO WAVE INCORPORATED Company names and brand names are either registered t...

Page 3: ... manufacture as far as the safety and usage precautions for the product are observed Do not throw away this product without any good reason 部件名称 Unit name 有害物质 Hazardous substance 铅 Lead Pb 汞 Mercury Hg 镉 Cadmium Cd 六价铬 Hexavalent chromium Cr VI 多溴联苯 Polybromo biphenyl PBB 多溴二苯醚 Polybromo diphenyl ether PBDE 本体 Main unit 电缆 Cable 本表格依据 SJ T 11364 的规定编制 This form is prepared in accordance with SJ T...

Page 4: ...result in death or serious injury This is to be limited to the most extreme situations This indicates a potentially hazardous situation which if not avoided could result in death or serious injury This indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices Description of what should be done or wh...

Page 5: ...s it contains important safety messages Precautions for chemicals Solutions used for calibration and measurement must not come in contact with the skin or consumed These solutions stimulate the eyes and skin If these solutions come in contact with your skin or eyes flush immediately with running water If you drink these solutions by accident immediately seek medical advice When you handle these so...

Page 6: ...If the ion selective membrane is dry soak the electrode in pure water for at least one hour Using it in a dry state will cause measurement errors Do not get the electrode connector wet or touch it with dirty hands It may cause a failure Do not touch a hard surface with the electrode It may cause a failure Only use the product including accessories for their intended purpose HORIBA Advanced Techno ...

Page 7: ...l This manual mainly discusses how to operate the meter to which the combination type chloride ion selective electrode is connected Electrode Stand Instruction Manual This manual mainly discusses how to operate the electrode stand which holds the combination type chloride ion selective electrode Icon Meaning This interprets the necessary points for correct operation and notifies the important poin...

Page 8: ......

Page 9: ...e for first time 10 Filling with internal solution 12 Rinsing the electrode 15 Connecting the electrode to the meter 16 Calibration 17 Standard solutions 18 Calibration operation 19 Measurement 29 Requirements for sample and standard solutions 30 Measurement hints 31 Measurement units 31 Measurement operation 32 After Measurement 37 How to clean the electrode 38 Contents ...

Page 10: ...ubleshooting 49 When accurate measurement is not possible 50 Reference 55 Ion selective electrodes 56 Measurement principle of ion selective electrode 58 Characteristics of chloride ion selective electrode 62 Material 69 Specifications 70 External dimensions 71 Consumables 72 ...

Page 11: ...ype ion selective electrode 56 Fig 5 State of liquid junction of reference electrode 57 Fig 6 Relationship between monovalent cation concentration activity and electrode potential 59 Fig 7 Difference in state of solution depending on ion concentration 60 Fig 8 Calibration curve of chloride ion selective electrode 62 ...

Page 12: ...coefficient for monovalent ion concentration 61 Table 5 Relationship between temperature of ion selective electrode and theoretical slope 64 Table 6 Relationship between temperature of chloride ion selective electrode and theoretical slope 64 Table 7 Specifications of combination type chloride ion selective electrode 70 Table 8 Consumables 72 ...

Page 13: ...This chapter describes what you should know before using the product Confirmation of the items included in the package 2 About this product 3 Product features 3 System configuration 3 Names of parts 4 Measurement procedure 5 ...

Page 14: ...details on purchasing an electrode and reagent refer to Consumables page 72 1000 mg L standard solution 50 mL 100 mg L standard solution 50 mL Ion electrode tip Internal solution 50 mL Syringe Protective pipe Water resistant abrasive sheet Dropper Main unit of electrode Ionic strength adjuster 50 mL Instruction manual this document Referred to as ISA in the rest of this document ...

Page 15: ... contamination of the sample solution by the internal solution outflow the interference on the electrode potential and so on Since the structure of the liquid junction movable sleeve type is capable of eliminating clogging by contaminants it is possible to measure the concentration accurately System configuration This product is used with the meter of HORIBA Advanced Techno connected which is sold...

Page 16: ... ion electrode tip against damage from gravel or other foreign matters If there is no risk of damage it is not required to attach it Ion selective membrane Liquid junction When the ion electrode tip is attached Electrode connector BNC connector Protective cap Protective pipe Ion electrode tip Internal solution fill port Internal solution chamber Support pipe Electrode cap Cable Rubber cap to be re...

Page 17: ...g figure shows the procedure for measuring the Cl concentration 1 Measurement preparation 1 2 4 3 Meter Fill with internal solution page 12 Connect the electrode to the meter page 16 Attach the ion electrode tip page 10 Rinse with pure water page 15 ...

Page 18: ...3 Measurement In the following cases perform conditioning of the electrode before calibration For details on conditioning refer to Conditioning of the electrode page 23 1 2 Perform calibration page 22 Prepare two types of solutions for calibration page 19 1 2 Prepare the sample solution page 32 Perform measurement page 33 ...

Page 19: ... measurement When the electrode will not be used for two weeks or longer store it as described on page 46 2 1 Rinse the electrode with pure water page 40 Discharge the internal solution from the electrode page 39 Note Note ...

Page 20: ...8 ...

Page 21: ...Electrode Preparation This chapter describes the preparation that must be performed before using the product Assembling the electrode only when use for first time 10 Filling with internal solution 12 Rinsing the electrode 15 Connecting the electrode to the meter 16 ...

Page 22: ...semble the electrode as described in the following procedure 1 Remove the protective cap 2 Remove the rubber cap The rubber cap will not be used again Dispose of it according to the local rules and regulations View video View video Item to be prepared Ion electrode tip Protective cap Rubber cap Tip Tip ...

Page 23: ...11 Electrode Preparation Calibration Measurement After Measurement 3 Attach the ion electrode tip by turning it clockwise Ion electrode tip ...

Page 24: ...rement is performed in the state in which there is not much internal solution an inflow of sample solution into the electrode will result in accurate measurements no longer being possible Use the internal solution included in the package or available as a consumable sold separately by HORIBA Advanced Techno Consumables page 72 Discharge the internal solution each time measurement finishes View vid...

Page 25: ...r of the internal solution fill port 4 Fill the internal solution with a dropper Fill until the solution surface comes up to just below the internal solution fill port 5 Spread soft and clean lint free paper or cloth beneath the electrode and then press the electrode against it from above When pressing the electrode from above do not press too hard and do not subject it to an impact It may damage ...

Page 26: ...tion fill port It is best that the internal solution oozes out slightly If the outflow is extremely little the potential of the reference electrode will become unstable and susceptible to stir In such a case repeat step 5 and 6 until the internal solution oozes out from the liquid junction The internal solution oozes out from the liquid junction View video View video Tip Tip ...

Page 27: ... described in the following procedure 1 Rinse the electrode with pure water 2 Wipe off the moisture Wipe off the moisture using soft and clean lint free paper or cloth 3 Make sure that there are no dirt and crystals of internal solution adhered to the area around the liquid junction If dirt and crystals of internal solution are adhered they may affect the outflow of internal solution Rinse the ele...

Page 28: ...n the connector of the meter to which the electrode will be connected refer to the instruction manual of the meter 1 Connect the electrode connector to the meter When disconnecting the electrode from the meter disconnect it in the opposite direction from step 1 View video View video Tip Tip ...

Page 29: ...Electrode Preparation Calibration Measurement After Measurement Calibration This chapter describes calibration Standard solutions 18 Calibration operation 19 ...

Page 30: ...the package or available as consumables by HORIBA Advanced Techno 100 mg L Cl standard solution Use the standard solution included in the package or available as consumables by HORIBA Advanced Techno 10 mg L Cl standard solution Prepare this by pouring 50 mL of the 100 mg L Cl standard solution into a 500 mL volumetric flask and filling up to 500 mL with pure water ...

Page 31: ...efore the calibration operation Filling with internal solution page 12 Rinsing the electrode page 15 Perform conditioning before the first use before use after storage for two weeks or longer or if the electrode is less responsive Note on page 23 Prepare at least two types of standard solution with different concentrations Always use new standard solution for calibration After the standard solutio...

Page 32: ...used as an example in the following steps 3 Prepare the first solution for calibration 1 Put 50 mL of 100 mg L standard solution into a 100 mL beaker 2 Add 1 mL of ISA 3 Stir the solution slowly with a magnetic stirrer Set the valence as shown in the table on the right Setting item Setting value Valence 1 Always use new standard solution for calibration Note Note 1 Standard solution 100 mg L 2 ISA...

Page 33: ...eed so that the stir bar will rotate 3 or 4 turns per second If swirling occurs on the surface the stirring speed is too fast Reduce the speed to a level where swirling does not occur Additive amount of ISA About activity page 60 In the case using different volume from the example note that the volume ratio shall be the standard solution the ISA 50 1 Note Note Note Note 1 Standard solution 1000 mg...

Page 34: ...5 Rinse the electrode with pure water 6 Wipe off the moisture Wipe off the moisture using soft and clean lint free paper or cloth 7 Open the rubber stopper of the internal solution fill port Rubber stopper ...

Page 35: ...nction Conditioning of the electrode In the following cases perform conditioning of the electrode before calibration Before the first use Before use after storage for two weeks or longer If the electrode is less responsive An electrode is conditioned by soaking it in a standard solution for 1 hour or longer Use a standard solution whose concentration is 100 mg L or more A standard solution with IS...

Page 36: ...e sure that the rubber stopper of the internal solution fill port is open during calibration If it is closed the internal solution does not ooze out very much from the liquid junction As a result the potential of the reference electrode will become unstable and susceptible to stir It is recommended to place the electrode in the electrode stand If air bubbles remain on the ion selective membrane it...

Page 37: ...ution for calibration 12 Rinse the electrode with pure water 13 Wipe off the moisture Wipe off the moisture using soft and clean lint free paper or cloth 14 Soak the electrode in the second solution for calibration prepared in step 4 Place the electrode fully into the solution for calibration so that the solution comes up to the liquid junction ...

Page 38: ...open during calibration If it is closed the internal solution does not ooze out very much from the liquid junction As a result the potential of the reference electrode will become unstable and susceptible to stir It is recommended to place the electrode in the electrode stand If air bubbles remain on the ion selective membrane it may result in inaccurate measurement Note Note Tip Tip Shake the ele...

Page 39: ...en the second calibration is finished take out the electrode from the solution for calibration 19 Close the rubber stopper of the internal solution fill port Check that slope is at least 80 If the slope is less than 80 the measurement may not be performed accurately The possible causes of calibration failure are Dirt on the ion selective membrane or liquid junction Change in the internal solution ...

Page 40: ... water 21 Wipe off the moisture Wipe off the moisture using soft and clean lint free paper or cloth When disposing of the standard solution and paper or cloth soaked in the standard solution follow the local rules and regulations Tip Tip ...

Page 41: ...paration Calibration Measurement After Measurement Measurement This chapter describes measurement Requirements for sample and standard solutions 30 Measurement hints 31 Measurement units 31 Measurement operation 32 ...

Page 42: ...be kept at 50 C or less Exceeding 50 C may cause electrode deterioration The standard solution in calibration and the sample solution in measurement shall have almost the same temperature Match the temperature as close as possible by for example using a thermostatic bath The temperature difference may cause measurement error The ISA shall be added into the sample solution Step 1 of Measurement ope...

Page 43: ...d junction The measurable pH range differs depending on the type and structure of the ion selective electrode The pH range is generally smaller when the concentration of the ions to be measured is lower If the pH of the sample solution has exceeded the measurable pH range accurate measurement may not be possible Impact of pH page 63 Measurement units This product can measure chloride ion concentra...

Page 44: ...ation The calibration characteristics vary depending on the temperature The standard solution in calibration and the sample solution in measurement shall have almost the same temperature Match the temperature as close as possible by for example using a thermostatic bath The temperature difference may cause measurement errors Note Note Syringe ISA Items to be prepared ...

Page 45: ...per or cloth It is best to control the stirring speed so that the stir bar will rotate 3 or 4 turns per second If swirling occurs on the surface the stirring speed is too fast Reduce the speed to a level where swirling does not occur About the amount of ISA About activity page 60 In the case using different volume from the example note that the volume ratio shall be the sample solution the ISA 50 ...

Page 46: ...p to the liquid junction Do not touch the stir bar with the electrode It may damage the electrode Make sure that the rubber stopper of the internal solution fill port is open during measurement If it is closed the internal solution does not ooze out very much from the liquid junction As a result the potential of the reference electrode will become unstable and susceptible to stir Rubber stopper No...

Page 47: ...n concentration is finished take out the electrode from the sample solution It is recommended to place the electrode in the electrode stand If gravel or other foreign matter gets in the sample solution for example when measuring outdoors attach the protective pipe It will protect the ion selective membrane of the electrode from foreign matters in the sample solution If air bubbles remain on the io...

Page 48: ...36 9 Close the rubber stopper of the internal solution fill port 10 Rinse the electrode with pure water 11 Wipe off the moisture Wipe off the moisture using soft and clean lint free paper or cloth ...

Page 49: ...trode Preparation Calibration Measurement After Measurement After Measurement This chapter describes cleaning of the electrode after measurement How to clean the electrode 38 How to polish the electrode 42 ...

Page 50: ...ean the electrode Clean the electrode after use as described in the following procedure 1 Open the rubber stopper of the internal solution fill port View video View video Dropper Item to be prepared Rubber stopper ...

Page 51: ...ntinue pressing from above until all of the internal solution is discharged Extracting from the internal solution fill port Turn the electrode upward and extract the internal solution with a dropper When pressing the electrode from above do not press too strong or have an impact on the electrode It may damage the electrode When disposing of the internal solution and paper or cloth with internal so...

Page 52: ...e electrode with pure water 5 Wipe off the moisture Wipe off the moisture using soft and clean lint free paper or cloth If the response is poor or the surface of the ion selective membrane of the electrode is contaminated polish the electrode as described on page 42 Note Note ...

Page 53: ...rt and crystals of internal solution adhered to the area around the liquid junction If dirt remains repeat steps 4 and 5 7 Attach the protective cap Do not get water and foreign matters inside of the protective cap when attaching it to the electrode It may shorten the lifespan Contamination Note Note ...

Page 54: ...ctrode as described in the following procedure 1 Place a small amount of pure water on the water resistant abrasive sheet 2 Polish the ion selective membrane of the electrode in such away as if drawing a circle five times View video View video Item to be prepared Water resistant abrasive sheet Contamination Before polishing Luster After polishing ...

Page 55: ...water 4 Wipe off the moisture Wipe off the moisture using soft and clean lint free paper or cloth Hold the electrode so that it is perpendicular to the water resistant abrasive sheet Polish the ion selective membrane by touching it lightly in parallel with the water resistant abrasive sheet Note Note ...

Page 56: ...44 ...

Page 57: ...ance This chapter describes the storage procedure of the electrode as well as the lifespan and replacement procedure of each part Storage 46 Main unit of electrode 46 Consumables 47 Consumables and replacement periods 47 ...

Page 58: ...e and discharge the internal solution After Measurement page 37 2 Attach the protective cap Do not get water and foreign matters inside of the protective cap when attaching it to the electrode It may shorten the lifespan When you will use the electrode again perform the operation from filling with internal solution Filling with internal solution page 12 Note Note ...

Page 59: ...e and ion electrode tip are not repairable parts Service life Replace after approx 400 hours Ion electrode tip Replace consumables at the period whichever occurs first approx one year after purchase or after approx 400 hours of use depending on sample solution measurement frequency and measurement environment approx 1 year approx 1 year approx 1 year Hours of use Replace Tip Tip 1 year 1 year appr...

Page 60: ...bination type chloride ion selective electrode including the ion electrode tip 3200697407 Use this up before the expiration date displayed on the bottle Use this up before the expiration date displayed on the bottle Use this up before the expiration date displayed on the bottle Note Note Standard solution Internal solution ISA ...

Page 61: ...Troubleshooting Troubleshooting This chapter describes the measures to take when accurate measurement is not possible When accurate measurement is not possible 50 ...

Page 62: ...have almost the same temperature Match the temperature as close as possible by for example using a thermostatic bath The temperature difference may cause measurement errors Requirements for sample and standard solutions page 30 Is the stirring solution speed appropriate It is best to control the stirring speed so that the stir bar will rotate 3 or 4 turns per second If swirling occurs on the surfa...

Page 63: ...remaining on the ion selective membrane If air bubbles remain on the ion selective membrane it may result in inaccurate measurement Note on page 35 Is a solution at a temperature outside the measurement temperature range being measured Adjust the temperature of the solution so that it is within the measurement temperature range before measurement If not it may cause measurement errors as well as d...

Page 64: ...water will cause measurement errors Standard solutions page 18 Is calibration performed before each measurement Perform calibration before each measurement Calibration operation page 19 Is the electrode temperature same as measurement place Wait until the temperature of the electrode becomes the temperature of that place before using the electrode Is the ion selective membrane or liquid junction d...

Page 65: ...nths after opening the bottle Do not return the standard solution to its bottle once it has come out of the bottle Consumables page 47 Is the amount of the discharging internal solution appropriate Press the upper gray part of the electrode cap If the internal solution is discharged too much it may cause measurement errors or a decrease in the response rate during calibration Check item Solution V...

Page 66: ...54 ...

Page 67: ...electrodes 56 Measurement principle of ion selective electrode 58 About activity 60 Characteristics of chloride ion selective electrode 62 Measurement range 62 Impact of pH 63 Impact of temperature 64 Impact of stirring 65 Impact of coexistent ions 65 Response time 66 Impact of light 66 Standard solutions 67 ...

Page 68: ... ion selective electrode where two electrodes are integrated Fig 4 Structure of combination type ion selective electrode Electrodetype Electrode function Ion selective electrode An electromotive force is generated through the ion selective membrane by the difference of the ion concentration between in the internal solution and in the sample solution Reference electrode This maintains a stable pote...

Page 69: ...mple solution or standard solution as a mechanism of generating such a stable potential The stable potential with almost no change V 0 can be generated by the diffusion of the outflow of the internal solution into the sample solution or standard solution If the internal solution in the reference electrode is not discharged the ion concentration cannot be measured accurately because the reference p...

Page 70: ...ration measurement using an ion selective electrode 2 303 RT nF is the change of the electrode potential generated when the ion concentration activity is changed by a factor of ten times and is referred to as the sensitivity potential gradient slope or Nernst coefficient According to the above equation if the potential gradient is determined by the calibration using the standard solutions the conc...

Page 71: ...tionship between monovalent cation concentration activity and electrode potential To perform the above quantitative analysis using an ion selective electrode either 1 use an ion meter or meter with an ion measurement function that has a logarithmic arithmetic function or 2 create a calibration curve using semi logarithmic graph paper 100 102 Ion concentration activity 2 303 RT nF Potential gradien...

Page 72: ...red in the sample solution which can be represented by the Nernst equation page 58 According to the above equation if the potential gradient is determined by the calibration using the standard solutions the concentration of the targeted ions can be measured by obtaining electrode potential E of the ion selective electrode in the sample solution The ion concentration is getting increased however th...

Page 73: ...n 1 10 3 mol L the activity coefficient becomes lower than 1 If the activity coefficient becomes lower than 1 activity ion concentration an error occurs in the potential measurement An ISA is used to reduce this error An ISA is generally selected so that it does not react with the ions to be measured and does not affect the measured potential The measurement error can be reduced because adding the...

Page 74: ...f around 1 10 1 mol L and a minimum of around 1 10 6 mol L to 1 10 5 mol L Furthermore when lower concentration is measured where the linearity is not established perform calibration at two points in the lower concentration range Fig 8 Calibration curve of chloride ion selective electrode 0 01 0 1 1 10 100 1000 300 250 200 150 100 50 0 1 10 6 1 10 5 1 10 4 1 10 3 1 10 2 Linearity is not seen Linea...

Page 75: ... curve To prevent these effects set the pH to an appropriate value in advance and keep it constant One simple method to set the pH of the sample solution to an appropriate value for measurement is to prepare a pH buffer solution not containing interfering ions that will not interfere with the ion selective electrode in advance and add a small amount of it to the sample solution How to prepare a sa...

Page 76: ...f temperature on the measurement of the Cl concentration is to reduce the difference between the temperature of the standard solution in calibration and the temperature of the sample solution in measurement to 1 C The following table shows the change in the potential gradient of the chloride ion selective electrode depending on the temperature Table 6 Relationship between temperature of chloride i...

Page 77: ...nt ions Although ion selective electrodes have good selectivity with respect to the ions to be measured they may react to the other ions The ions which interfere the measurement of the concentration of the ions to be measured are called interfering ion Therefore when using the ion electrode method it is important to know the effects of coexistent ions and take measures to avoid them The impact tha...

Page 78: ...ution while the opposite case may cause the response time to become longer The time required to reach a reading value that is 95 stabilized is within 30 seconds approximately in the case of a standard solution with a concentration ranging from 10 mg L to 100 mg L Impact of light With some types of ion selective electrodes e g non crystalline solid membrane electrodes light may have an impact that ...

Page 79: ...urement This reduces the errors in the ion concentration measurement due to the electromotive force changes caused by the temperature changes of the ion selective electrode and reference electrode Measurement errors become larger as the difference between the temperatures of the standard solution and sample solution becomes larger Handling of standard solutions after use Do not return a standard s...

Page 80: ...68 ...

Page 81: ...Material Material This chapter describes the specifications external dimensions and consumables of the product Specifications 70 External dimensions 71 Consumables 72 ...

Page 82: ...e differs depending on the ion concentration 3 This is the electrode potential gradient in the calibration using the 10 mg L and the 100 mg L standard solutions at 25 C Item Description Operating temperature range 0 C to 50 C Internal electrode Ag AgCl silver silver chloride electrode Internal solution 1 mol L KNO3 Liquid junction Movable sleeve type Wetted part part contacting sample solution mat...

Page 83: ...71 Material External dimensions Unit mm 16 5 O D 18 85 150 ...

Page 84: ...de ion selective electrode 6560S 10C 3200697407 Chloride ion selective electrode tip 7660S Electrode tip 3200697411 1000 mg L chloride ion standard solution 500 CL SH 500 mL 3200697167 100 mg L chloride ion standard solution 500 CL SL 500 mL 3200697168 Chloride ion selective Electrode Inner Filling solution 500 CL IFS 500 mL 3200697169 ISA for chloride ion selective electrode 500 CL ISA 500 mL 320...

Page 85: ...dt jp For any questions regarding this product please contact your local agency or inquire from the following website http global horiba com contact_e index htm 31 Miyanonishi cho Kisshoin Minami ku Kyoto 601 8306 Japan ...

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