Vapor Generation Accessory VGAâ77 Operation manual

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REDACIDSAMPLEVGA–772.2 InstallationBefore proceeding with the installation, you should read the ‘Safetypractices and hazards’ section at the start of this <strong>manual</strong>. You shouldalso be completely familiar with the safety procedures required foroperation of your spectrometer.You should refer to the diagram below during installation to help youidentify the different parts of your VGA and pump module.sampleacidreductantLOW GASPRESSUREREDUCTANTACIDSAMPLEGAS ‘A’INERT INERT GAS INERT GAS "B" TO SEPARATORINERT GAS "A" TOREACTION COIL'JHVSFÁÁVGA-77 with AA module installedÁ2-2 Publication date: May 2004
VGA–772.2.1 Installation checklistUse the following checklist to help you complete each step of theinstallation.❏❏❏❏❏❏Check that the correct gas supply is available, then connect yourVGA-77 to the supply.Refer to section 2.2.2.Check that the correct power supply is available, the correctfuses are installed and that the voltage selector is correctly set.Refer to section 2.2.3.Check the environmental requirements.Refer to section 1.3.1.Install the pump unit.Refer to section0.Install the reagent module.Refer to section 0.Install the drain tubing.Refer to section 2.2.6.❏ Install the VGA pump tubing.Refer to section 2.2.7.""ÁPOMZÁ❏❏❏Install the burner clamps.Refer to section 2.2.8.Install the cell.Refer to section2.2.10.Connect the gas/liquid separator outlet to:the inlet of the absorption cell (AA), orthe sample introduction system (ICP).Refer to section 2.2.11❏If necessary, connect a mercury trap to the cell exhaust tocomply with local regulations on the discharge of mercury vapor(AA only).Refer to section 0.Publication date: May 2004 2-3
Page 1 and 2: Vapor GenerationAccessory VGA-77Ope
Page 3 and 4: VGA-77Declaration of ConformityWe h
Page 5 and 6: VGA-77Contents ÁSafety practices a
Page 7 and 8: VGA-774.4 Basic methods 4-64.4.1 An
Page 10 and 11: VGA-77Electrical hazardsChemical ha
Page 13: VGA-771. Introduction1.1 About the
Page 20 and 21: VGA-772.2.2 Gas supply requirements
Page 22 and 23: VGA-774FMFDUJOHÁUIFÁWPMUBHFÁÁRe
Page 24 and 25: VGA-775. Fit the end of the tube fr
Page 26 and 27: VGA-773. Connect the inlet end of t
Page 28 and 29: VGA-77'JHVSFÁÁPull the holder for
Page 30 and 31: VGA-77To install the burner clamp f
Page 32 and 33: VGA-77'JHVSFÁÁAdapter and Standar
Page 34 and 35: VGA-77*OTUBMMJOHÁBÁGMPXUISPVHIÁN
Page 36 and 37: REDACIDSAMPLEACIDSAMPLEVGA-77REDUCT
Page 38 and 39: VGA-772.2.13 Connection to the Auto
Page 40 and 41: VGA-77Use the integration mode with
Page 42 and 43: VGA-773.1.3 AA setup1. Remove the c
Page 45 and 46: VGA-774. Continue the previous step
Page 47 and 48: VGA-77❏❏Save your revised metho
Page 49 and 50: VGA-774. Analytical notes4.1 Backgr
Page 51 and 52: VGA-77For example, for Te and Se, a
Page 53 and 54: VGA-774.3 Laboratory procedures4.3.
Page 55 and 56: VGA-774.4.1 AntimonyPrepare samples
Page 57 and 58: VGA-77CautionRemember that AA mercu
Page 59 and 60: VGA-774.4.7 TinThe best results for
Page 61 and 62: VGA-775. Maintenance and spareparts
Page 63 and 64: VGA-77Under some circumstances, the
Page 65 and 66: VGA-77An alternative method of remo
Page 67 and 68: VGA-775.3 Spare parts✒ Note Use o
Page 69 and 70:
VGA-776. Appendix-AA Performancelog
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Vapor Generation Accessory VGAâ77 Operation manual