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Agilent Technologies G3183B, Инструкция по установке и эксплуатации

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Introduction

1

Installation and Operation Guide

13

Parts Supplied

Parts in the G3183B kit are listed in 

Table 1

.

Table 1

Parts supplied 

Part number

Description

Quantity

G1530-01340

Capillary column spring clips

4

G2855-60140

Oven bracket assembly

1

G2855-60560

T-screw oven bracket retainer

2

0515-0374

Screw, M3 × 10 mm

7

G3183-60500

Three-way splitter with makeup gas assembly

1

G2855-80022

Manual and calculator CD

1

G3183-901

2

0

Manual, G3183B

0100-0241

Union, 1/8-inch to 1/16-inch reducing

1

0100-2354

Tubing, stainless steel, 1/16-inch od × 0.01-inch id, 1 m

1

G1580-00130

Valve box blanking plate

1

0100-0124

Union, stainless steel, 1/16-inch tubing

1

G2855-60150

Supplies and spares kit

1

Содержание G3183B

Страница 1: ...Agilent Technologies Agilent G3183B Three Way Splitter Kit Installation and Operation Guide...

Страница 2: ...808 1610 USA Safety Notices CAUTION A CAUTION notice denotes a haz ard It calls attention to an operat ing procedure practice or the like that if not correctly performed or adhered to could result in...

Страница 3: ...is chapter for a detailed procedure for installing the splitter hardware and connecting the makeup gas supply 3 Splitter Configurations The split ratio how the column effluent divides among the three...

Страница 4: ...4 Installation and Operation Guide...

Страница 5: ...upplied 13 Part Identification 14 Parts Not Supplied 15 Tools Required 15 Pressure Units 16 Gauge pressure psig 16 Absolute pressure psia 16 Atmospheric pressure 16 Conversion 16 2 Installation Prepar...

Страница 6: ...35 Connect the splitter 35 Disconnect tubing from the splitter 36 4 Operation An Example 40 Column flow 40 Select restrictors 42 Calculate column flow 43 Calculate MSD restrictor flow 44 Calculate FP...

Страница 7: ...f chromatographic parameters 11 Gas Requirements 12 Carrier gas 12 Makeup gas 12 GC Requirements 12 Other Requirements 12 Parts Supplied 13 Part Identification 14 Parts Not Supplied 15 Tools Required...

Страница 8: ...e gas flows connected 2 Restrictor configuration You can choose to use a typical precalculated configuration or create a custom one using software tools supplied on a CD 3 Restrictor and column instal...

Страница 9: ...ometric detector Below atmospheric pressure MSD mass selective detector Above atmospheric pressure AED atomic emission detector The split ratio is determined by the length and diameter of tubing conne...

Страница 10: ...olume connections between the column end and the three detector restrictor tubes The thin metal plate has fast thermal response and is mounted solidly on the oven wall for ease of use The interior pla...

Страница 11: ...tographic parameters can be calculated before setup This is especially useful with GC MSD setups where there are limitations on the flow rates of carrier gas allowed into the MSD If a method that was...

Страница 12: ...the entrance to the MSD when the column is disconnected by blanketing the connection with makeup gas This gas flows into the column oven Hydrogen or other flammable gas would present a serious fire a...

Страница 13: ...bly 1 G2855 60560 T screw oven bracket retainer 2 0515 0374 Screw M3 10 mm 7 G3183 60500 Three way splitter with makeup gas assembly 1 G2855 80022 Manual and calculator CD 1 G3183 90120 Manual G3183B...

Страница 14: ...identified in Figure 2 Figure 2 Part identification Capillary column spring clips Valve box Oven bracket Three way splitter blanking plate assembly with makeup gas assembly This assembly is shipped in...

Страница 15: ...Introduction 1 Installation and Operation Guide 15 Parts Not Supplied Brown dot frit 19231 60610 Tools Required Side cutter large Screwdrivers Phillips...

Страница 16: ...psig This is the pressure as measured by most pressure gauge It is the pressure in excess of atmospheric pressure Absolute pressure psia This is the actual pressure relative to vacuum It is the sum of...

Страница 17: ...Agilent Technologies 2 Installation Prepare the GC 18 Install the Column Clips 20 Install the Bracket and Splitter 21 Connect the Makeup Gas Supply 24 This chapter describes the procedure for install...

Страница 18: ...the GC 1 Raise the GC top cover to expose the oven lid 2 Remove the valve box cutout using a side cutter Figure 3 WARNING Turn the power off and disconnect the power cord before proceeding Figure 3 Re...

Страница 19: ...sulation Remove the precut insulation piece at the location shown in Figure 4 4 Replace the soft insulation Install the valve box blanking plate using one screw at the front and one at the rear to sec...

Страница 20: ...20 Installation and Operation Guide 2 Installation Install the Column Clips Install the four column clips on the oven shroud Figure 6 Figure 6 Oven clips Oven shroud Clip 1 of 4...

Страница 21: ...The two notches should be up and the standoffs should face the center of the oven 2 Use two T shaped thumbscrews to fasten the bracket to the T slots in the oven wall Figure 7 Figure 7 Installing the...

Страница 22: ...so that the end of the tubing comes out in the hole of the valve box blanking plate 6 Route the prebent tubing against the oven wall and top to keep it clean for future maintenance It should be behin...

Страница 23: ...makeup gas tubing is routed trim the tubing above the oven top leaving at least 10 cm Figure 9 Installing the splitter assembly Makeup gas tubing Splitter assembly Mounting screw Mounting screws Ferru...

Страница 24: ...end of the stainless steel tubing to the tubing from the splitter assembly with a union See Figure 10 To supply the makeup gas from an Auxiliary Pressure controller 1 Install the brown dot frit part n...

Страница 25: ...how the column effluent is divided the split ratio among the three detectors There are two approaches to setting up a splitter method Use a typical configuration A set of eight configurations is disc...

Страница 26: ...ium as the carrier gas and a splitter pressure setting of 3 8 psig Table 2 Splitting configurations Config uration Detector type Flow ratio Restrictor 1 Restrictor 2 Restrictor 3 Det2 to Det1 Det3 to...

Страница 27: ...itter and thus the column outlet at 3 8 psig Column flow can be varied from 0 to a maximum flow which is determined by the upper temperature of the GC oven program If Configuration 1 is used with a me...

Страница 28: ...is the maximum pressure at which the inlet should be set The inlet should not be set at or below 3 8 psig The performance turbo on the MSD is preferred because it allows splitter configurations with h...

Страница 29: ...tom Configurations The CD supplied with this kit contains three software tools Effluent Splitter Calculator with Makeup Calculates dimensions length and inside diameter of restrictors to obtain a desi...

Страница 30: ...Installation and Operation Guide 3 Splitter Configurations GC Method Translation Converts an analytical method from one set of operating conditions to another Figure 12 Figure 12 GC Method Translatio...

Страница 31: ...o perform all the calculations needed to create a custom splitter configuration We recommend that you load the CD software into your PC 1 Insert the CD into the drive and click the Start icon in the b...

Страница 32: ...ospheric pressure 14 696 psia Exceptions are the MSD 0 psia and AED 16 196 psia Flow Ratios Detector 2 to Detector 1 and Detector 3 to Detector 1 These are the desired split ratios among the detectors...

Страница 33: ...makeup flow is listed in cell B 36 of the effluent splitter calculator You should have at least 0 5 mL min for stable pressure regulation Note that this value will decrease as the oven temperature pro...

Страница 34: ...pressure is set is shown in Figure 14 Inlet pressure If this is a method used previously you may want to reset the inlet pressure to give similar retention times with the new column outlet pressure D...

Страница 35: ...the clips if necessary 2 Connect the column to the inlet fitting Connect the splitter 1 Preswage the SilTite ferrules to the restrictors and columns See Swaging SilTite Ferrules on the CD for details...

Страница 36: ...splitter fitting Usually the tubing and ferrule will fall out of the fitting Figure 15 Detector and column connections To makeup gas supply Column in Restrictor to detector 1 Restrictor to detector 2...

Страница 37: ...the splitter Seal the ports of the splitter assembly with plugs when the splitter is not connected This keeps particulates and contamination out To make a plug cut about 5 cm 2 inches of the stainles...

Страница 38: ...38 Installation and Operation Guide 3 Splitter Configurations...

Страница 39: ...flow 44 Calculate FPD restrictor flow 45 Calculate ECD restrictor flow 46 Changing Columns Without Venting the MSD 47 Backflushing the Column 48 Other Uses for Three Way Splitter Setup 50 Three way s...

Страница 40: ...flow listed by the ChemStation is 2 1 mL min We want to create a new splitter method with the column effluent split 1 1 0 1 between the MSD detector 1 an FPD detector 2 and an ECD detector 3 We would...

Страница 41: ...its Since the outlet of the column will be 3 8 psig we need to convert this to psia for the method translator Absolute pressure gauge pressure 14 696 Hence 3 8 14 696 18 496 will be entered The calcul...

Страница 42: ...el Select the 3 Way Makeup worksheet We will choose to have 4 mL min go to the MSD initially This flow is acceptable with a performance turbo system Fill in the input column as shown Figure 18 with th...

Страница 43: ...ngth of 1 236 m is calculated for the MSD restrictor and 0 456 m for the FPD restrictor For the ECD a 0 434 m length of 0 1 mm id tubing is calculated Table 4 on page 33 shows that in all cases the fl...

Страница 44: ...1 38 mL min at 280 C Calculate MSD restrictor flow The flow through the MSD restrictor at 280 C is calculated to be 1 77 mL min Figure 20 This flow is higher than the minimum 0 72 mL min suggested fo...

Страница 45: ...e 45 Calculate FPD restrictor flow The flow through the FPD restrictor Figure 21 is also 1 77 mL min at 280 C This flow is higher than the minimum 0 72 mL min suggested for helium in 0 18 mm id tubing...

Страница 46: ...his flow is below the minimum 0 4 mL min suggested for helium in 0 10 mm id tubing In practice this setup still gives acceptable peak shapes on the ECD so it will be used The calculated makeup flow is...

Страница 47: ...ting preventing air from reaching the MSD To change columns with the splitter the recommended steps are 1 Cool the inlet to which the column to be removed is connected 2 Disconnect the column from the...

Страница 48: ...rried out the split vent of the inlet The inlet pressure is programmed to decrease to 0 5 psig The makeup pressure is programmed to rise to a maximum pressure determined by the detectors and cleanout...

Страница 49: ...the original method 280 C The flow calculator Figure 23 shows that the makeup pressure can be programmed to 47 5 psig at 280 C The time required for complete backflushing of heavy materials is then d...

Страница 50: ...mples Three way splitter Figure 24 shows the typical three way splitter configuration for reference Two way splitter Figure 25 shows the configuration for a two way splitter Make the plug from a nut a...

Страница 51: ...anual for the G3180B Micro Fluidic Effluent Splitter with Makeup Gas provided on the CD that came with this product for setting up a two way split Two columns in Two detectors out Figure 26 shows the...

Страница 52: ...uation purging Column 1 while analyzing with Inlet 2 and Column 2 This can be useful in laboratories that frequently need to use columns with different phases Setup is the same as for the two way spli...

Страница 53: ...29 Example 40 D Detector Above atmospheric pressure 9 Atmospheric pressure 9 Below atmospheric pressure 9 flow rate 26 operating pressure 26 Diffusion pump 28 E Effluent Splitter Calculator 29 32 42...

Страница 54: ...ontrol Module 12 24 Pressure controller 12 psia 41 psig 41 R Restrictor 8 dimensions 26 flow 44 45 Retention times 34 S Software tools Column Pressure Flow Calculator 31 Effluent Splitter Calculator 2...

Страница 55: ......

Страница 56: ...Agilent Technologies Agilent Technologies Inc Printed in USA April 2006 G3183 90120...

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