Metrohm 899 Coulometer User Manual

899 CoulometerManual8.899.8001EN

9.1 Karl Fischer titration￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭90￭￭￭￭￭￭￭￭899 CoulometerProblem Cause RemedyThe Control parametersare not set correctly.￭ Reset the Co

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭9 Troubleshooting899 Coulometer￭￭￭￭￭￭￭￭91Problem Cause RemedyThe parameter Min. rateis set too low.￭ Set the parameter Min. rate

10.1 Stirring rate￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭92￭￭￭￭￭￭￭￭899 Coulometer10 Appendix10.1 Stirring rateThe stirring rate can be adjusted in steps of –15 to +15

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭10 Appendix899 Coulometer￭￭￭￭￭￭￭￭93NoteWith some balances, the sample identification and the method can besent in addition to th

10.3 USB devices￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭94￭￭￭￭￭￭￭￭899 CoulometerKey of the 899 Coulometer orfunction in the editing dialogKey on the numerical USBkeypad

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭10 Appendix899 Coulometer￭￭￭￭￭￭￭￭9510.3.3 PC mouseIn order to make navigating in the dialog of the 899 Coulometer easier, aPC m

10.4 Control parameters and polarization current￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭96￭￭￭￭￭￭￭￭899 CoulometerWater / µgMeasured value / mVEndpointControl rangeI = 3

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭10 Appendix899 Coulometer￭￭￭￭￭￭￭￭9710.5 Method examples for working with the Karl FischerovenYou will find the recommended para

10.6 System initialization￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭98￭￭￭￭￭￭￭￭899 Coulometer10.6 System initializationIn very rare instances, a faulty file system (e.g.

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭10 Appendix899 Coulometer￭￭￭￭￭￭￭￭99 3Confirming the initializationNoteIf the request is not confirmed within 8 s, then the proce

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭1 Introduction899 Coulometer￭￭￭￭￭￭￭￭11 Introduction1.1 Instrument descriptionThe 899 Coulometer is a titrator used for coulome

10.7 Remote interface￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭100￭￭￭￭￭￭￭￭899 CoulometerInputs+5 Vapprox. 5 kΩ Pull-uptp tp > 100 msactive = low, inactive = highOutput

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭10 Appendix899 Coulometer￭￭￭￭￭￭￭￭10110.8 Remote control via an RS-232 connectionThe 899 Coulometer can be remote controlled via

10.8 Remote control via an RS-232 connection￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭102￭￭￭￭￭￭￭￭899 Coulometer10.8.1 Commands and variablesCommand Function Comment$G St

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭10 Appendix899 Coulometer￭￭￭￭￭￭￭￭103Acknowledgement ofthe instrumentCommentOK Command executedE1 Method not foundE2 Invalid vari

10.9 Arithmetic algorithms in the 899 Coulometer￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭104￭￭￭￭￭￭￭￭899 CoulometerStatisticsThe arithmetic mean value and the absolute an

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭10 Appendix899 Coulometer￭￭￭￭￭￭￭￭105NoteThe above losses of accuracy by rounding off in the range of significantplaces are only

11.1 Measuring inputs￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭106￭￭￭￭￭￭￭￭899 Coulometer11 Technical specifications11.1 Measuring inputsThe measuring cycle is 100 ms for

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭11 Technical specifications899 Coulometer￭￭￭￭￭￭￭￭10711.3 Internal stirrerRotational speedMaximum rota-tional speed±(1700…1900)

11.6 Safety specifications￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭108￭￭￭￭￭￭￭￭899 Coulometer11.6 Safety specificationsThis instrument fulfills the following electrical

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭11 Technical specifications899 Coulometer￭￭￭￭￭￭￭￭10911.8 Ambient temperatureNominal functionrange+5…+45 °C(at a maximum of 85%

1.2 About the documentation￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭2￭￭￭￭￭￭￭￭899 Coulometer￭ Remote connectorFor connecting instruments with a remote interface (e.g. 885

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭110￭￭￭￭￭￭￭￭899 Coulometer12 Warranty (Guarantee)Metrohm guarantees that the deliveries and services it provides are free oferror

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭12 Warranty (Guarantee)899 Coulometer￭￭￭￭￭￭￭￭111Metrohm also offers a 120-month spare parts warranty and a 5-year PCsoftware sup

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭112￭￭￭￭￭￭￭￭899 Coulometer13 AccessoriesNoteSubject to change without notice.13.1 Scope of delivery13.1.1

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭113Qty. Order no. DescriptionElectrode plug-in head: Metrohm plug-in head GIndicator electro

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭114￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description1.0 6.1464.320 KF titration vessel / 80 - 250 mL / coul

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭115Qty. Order no. Description1.0 6.2103.140 Adapter black plug 2 mm / socket B 4 mmFor conne

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭116￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description1.0 6.2701.040 Screw capWith a hole for the 6.1448.020

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭117Qty. Order no. Description1.0 6.2738.000 FunnelFor the KF coulometer.Material: PPOuter di

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭118￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description2.0 6.2816.090 Syringe 5 mLSyringe 5 mL, PP, with Luer

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭11913.1.2 2.899.0110 Qty. Order no. Description1.0 1.899.0010 899 Coulometer1.0 6.0341.100

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭1 Introduction899 Coulometer￭￭￭￭￭￭￭￭3WarningThis symbol draws attention to a possible hazard dueto electrical current.WarningThi

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭120￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description1.0 6.1403.030 KF adsorber tube for coulometer cellFor

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭121Qty. Order no. Description1.0 6.1903.030 Stirring bar / 25 mmStirring bar with magnetic c

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭122￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description1.0 6.2104.020 Electrode cable / 1 m / FFor connecting

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭123Qty. Order no. Description1.0 6.2713.010 SleeveSleeve for the fat-free ground-joint conne

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭124￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description1.0 6.2811.000 Molecular sieveMolecular sieve. Bottle c

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭125Qty. Order no. Description1.0 6.2147.000 Numerical USB keypadNumerical USB keypad for Tit

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭126￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. DescriptionIndicator electrode type: PtIndicator electrode shape:

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭127Qty. Order no. Description2.0 6.1448.020 Septum / 16 mm / 5 piecesSet of 5 pieces.Materia

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭128￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description1.0 6.2103.130 Adapter red plug 2 mm / 4 mm socketFor c

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭129Qty. Order no. Description1.0 6.2151.100 Adapter USB Mini (OTG) - USB AFor connecting USB

1.3 Safety instructions￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4￭￭￭￭￭￭￭￭899 CoulometerWarningNever open the housing of the instrument. The instrument could bedamaged by

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭130￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description1.0 6.2713.020 SleeveFor the fat-free ground-joint conn

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭131Qty. Order no. Description2.0 6.2816.030 Needle with Luer connectorOuter diameter (mm): 0

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭132￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description1.0 6.2147.000 Numerical USB keypadNumerical USB keypad

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭133Qty. Order no. DescriptionIndicator electrode type: PtIndicator electrode shape: Wire1.0

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭134￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description2.0 6.1448.020 Septum / 16 mm / 5 piecesSet of 5 pieces

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭135Qty. Order no. Description1.0 6.2103.130 Adapter red plug 2 mm / 4 mm socketFor connectin

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭136￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description1.0 6.2151.100 Adapter USB Mini (OTG) - USB AFor connec

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭137Qty. Order no. Description1.0 6.2713.020 SleeveFor the fat-free ground-joint connection w

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭138￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description2.0 6.2816.030 Needle with Luer connectorOuter diameter

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭139Qty. Order no. Description1.0 6.2147.000 Numerical USB keypadNumerical USB keypad for Tit

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭1 Introduction899 Coulometer￭￭￭￭￭￭￭￭51.3.4 Flammable solvents and chemicalsWarningAll relevant safety measures are to be observ

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭140￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. DescriptionIndicator electrode type: PtIndicator electrode shape:

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭141Qty. Order no. Description1.0 6.1446.170 Heating tubing stopperFor coulometric KF vessels

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭142￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description2.0 6.1602.145 Drying flask coverScrew cap with thread

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭143Qty. Order no. Description2.0 6.1805.080 FEP tubing / M6 / 25 cmWith light protection and

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭144￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description1.0 6.1808.050 Tubing adapter olive / M8 outer1 outer t

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭145Qty. Order no. Description1.0 6.1903.030 Stirring bar / 25 mmStirring bar with magnetic c

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭146￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description1.0 6.2063.010 Sample insert for 6 mL sample vials(6.24

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭147Qty. Order no. Description1.0 6.2104.120 Electrode cable / 1 m / HWith plug H. For the co

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭148￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description1.0 6.2621.120 Hexagon key 1.5 mm1.0 6.2627.000 Oven in

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭149Qty. Order no. Description1.0 6.2713.010 SleeveSleeve for the fat-free ground-joint conne

2.1 Front￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭6￭￭￭￭￭￭￭￭899 Coulometer2 Overview of the instrument2.1 Front123Figure 1 Front 899 Coulometer1Magnetic stirrerFor atta

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭150￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description1.0 6.2739.000 WrenchFor tightening connectors.Length (

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭151Qty. Order no. Description1.0 6.2816.070 Needle for the gas inletUsed with Karl Fischer o

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭152￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description1.0 6.2147.000 Numerical USB keypadNumerical USB keypad

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭153Qty. Order no. DescriptionElectrode plug-in head: Metrohm plug-in head GIndicator electro

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭154￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description1.0 6.1446.170 Heating tubing stopperFor coulometric KF

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭155Qty. Order no. Description2.0 6.1608.050 Drying flask / 100 mL / GL 45Material: Clear gla

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭156￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description2.0 6.1805.080 FEP tubing / M6 / 25 cmWith light protec

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭157Qty. Order no. Description2.0 6.1821.040 Filter tubeFilter tube for 6.1608.050 drying fla

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭158￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description1.0 6.2047.030 Titration vessel holder1.0 6.2049.050 Ne

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭159Qty. Order no. Description1.0 6.2104.020 Electrode cable / 1 m / FFor connecting electrod

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭2 Overview of the instrument899 Coulometer￭￭￭￭￭￭￭￭72.2 Rear1 2345 678 9Figure 2 Rear 899 Coulometer1Type plateContains the seri

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭160￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description1.0 6.2621.140 Hexagon key 2.5 mm1.0 6.2701.040 Screw c

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭161Qty. Order no. Description1.0 6.2723.310 Protective coverProtective cover for display and

13.1 Scope of delivery￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭162￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. Description1.0 6.2811.000 Molecular sieveMolecular sieve. Bottle c

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭163Qty. Order no. Description1.0 6.2816.080 Exhaust air needleFor 860 KF Thermoprep and samp

13.2 Optional accessories￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭164￭￭￭￭￭￭￭￭899 CoulometerQty. Order no. DescriptionNumerical USB keypad for Titrino plus, Dosimat plus,

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭13 Accessories899 Coulometer￭￭￭￭￭￭￭￭165Order no. Description2.803.0010 803 Ti Stand with stirrer and pumpCompact titration stand

13.2 Optional accessories￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭166￭￭￭￭￭￭￭￭899 CoulometerOrder no. Description6.5406.000 Coulometric KF equipment, including generator

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭Index899 Coulometer￭￭￭￭￭￭￭￭167IndexAAdapterConnect ... 24Addition and aspiration tubeMounting ...

Index￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭168￭￭￭￭￭￭￭￭899 CoulometerOOperationGeneral ... 36Oven module ... 14PPara

3.1 Setting up the instrument￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭8￭￭￭￭￭￭￭￭899 Coulometer3 Installation3.1 Setting up the instrument3.1.1 PackagingThe instrument

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation899 Coulometer￭￭￭￭￭￭￭￭93.2 Setting up the coulometer cell3.2.1 Inserting the coulometer cell6.2047.0306.1464.320

3.2 Setting up the coulometer cell￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭10￭￭￭￭￭￭￭￭899 Coulometer12346.1403.0306.2811.000Figure 4 Filling the adsorber tube 1Insert a s

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation899 Coulometer￭￭￭￭￭￭￭￭11Equipping the coulometer cell6.1903.0306.1464.3206.2713.0106.1437.0006.0345.1006.2713.0206

3.2 Setting up the coulometer cell￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭12￭￭￭￭￭￭￭￭899 Coulometer 4Insert the 6.0345.100 generator electrode without diaphragm or the6.

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation899 Coulometer￭￭￭￭￭￭￭￭133.2.3 Mounting the addition and aspiration tube (utilization with TiStand)6.1437.0006.271

3.3 Connecting the coulometer to the power supply￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭14￭￭￭￭￭￭￭￭899 Coulometer 6Connect the tubing for the aspiration of the coulomet

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation899 Coulometer￭￭￭￭￭￭￭￭15Figure 7 Connecting the power supply unitProceed as follows: 1Connect the plug of the exte

3.3 Connecting the coulometer to the power supply￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭16￭￭￭￭￭￭￭￭899 CoulometerFigure 8 Connecting the Power BoxProceed as follows: 1C

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation899 Coulometer￭￭￭￭￭￭￭￭173.4 Connecting sensorsThe measuring interface contains the following measuring inputs:￭ G

3.4 Connecting sensors￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭18￭￭￭￭￭￭￭￭899 Coulometer26.2104.120Figure 10 Screwing the electrode cable to the general electrodeConnecti

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation899 Coulometer￭￭￭￭￭￭￭￭191Figure 12 Unscrew the cover from the indicator electrode 2Screw the 6.2104.020 electrode

Metrohm AGCH-9100 HerisauSwitzerlandPhone +41 71 353 85 85Fax +41 71 353 89 [email protected] CoulometerManual8.899.8001EN04.2012 e

3.4 Connecting sensors￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭20￭￭￭￭￭￭￭￭899 CoulometerNoteThe electrode cable is protected against accidental disconnectionof the cable

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation899 Coulometer￭￭￭￭￭￭￭￭213.5 Connecting an additional stirrerInstead of the built-in magnetic stirrer, you can use

3.6 Connecting a balance￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭22￭￭￭￭￭￭￭￭899 Coulometer3.6 Connecting a balanceAs a rule, balances are equipped with a serial RS-232 i

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation899 Coulometer￭￭￭￭￭￭￭￭23Balance CableAND ER, FR, FX with RS-232 inter-face (OP-03)6.2125.020 + 6.2125.010Mettler A

3.7 Connecting a keyboard, printer and other USB devices￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭24￭￭￭￭￭￭￭￭899 Coulometer3.7 Connecting a keyboard, printer and other US

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation899 Coulometer￭￭￭￭￭￭￭￭25The following list provides you with an overview of the various USB devi-ces and how you c

3.7 Connecting a keyboard, printer and other USB devices￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭26￭￭￭￭￭￭￭￭899 CoulometerUSB device Connection optionsPC keyboard with US

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭3 Installation899 Coulometer￭￭￭￭￭￭￭￭27USB MINI (OTG)-USBUSB stickUSB-HubRS-232/USB Box6.2148.0306.2151.100PrinterFigure 21 Conne

4.1 Principle of coulometry according to Karl Fischer￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭28￭￭￭￭￭￭￭￭899 Coulometer4 Coulometric titration4.1 Principle of coulometr

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 Coulometric titration899 Coulometer￭￭￭￭￭￭￭￭294.2 Working with water standards4.2.1 Certified water standardsFor validating t

TeachwareMetrohm AGCH-9100 [email protected] documentation is protected by copyright. All rights reserved.Although all the information

4.2 Working with water standards￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭30￭￭￭￭￭￭￭￭899 Coulometer 6Pull the piston of the syringe up to the end and swing the syringeback

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 Coulometric titration899 Coulometer￭￭￭￭￭￭￭￭31If you have connected a balance to the Coulometer, you may trans-mit the sample s

4.3 Sample addition￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭32￭￭￭￭￭￭￭￭899 Coulometer4.3.2 Working with liquid samplesLiquid samples are added with a syringe. The sample

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭4 Coulometric titration899 Coulometer￭￭￭￭￭￭￭￭33￭ the sample releases its moisture completely.￭ no side reaction with the Karl Fi

4.4 Optimum working conditions￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭34￭￭￭￭￭￭￭￭899 CoulometerWhen you work with a Karl Fischer oven, a drift ≤ of 10 µg/min is all righ

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation899 Coulometer￭￭￭￭￭￭￭￭355 Operation5.1 Switching the instrument on and offSwitching on the instrumentProceed as fol

5.2 Fundamentals of operation￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭36￭￭￭￭￭￭￭￭899 Coulometer5.2 Fundamentals of operation5.2.1 The keypadFigure 23 Keypad 899 Coulome

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation899 Coulometer￭￭￭￭￭￭￭￭37Some dialogs have a so-called function bar on the bottom line. The func-tions contained there

5.2 Fundamentals of operation￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭38￭￭￭￭￭￭￭￭899 CoulometerEditing function DescriptionClear The content of the input field is deleted

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation899 Coulometer￭￭￭￭￭￭￭￭395.3 Formula editorThe formulas for the calculations are entered with the formula editor. The

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭Table of contents899 Coulometer￭￭￭￭￭￭￭￭IIITable of contents1 Introduction 11.1 Instrument description ...

5.4 Methods￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭40￭￭￭￭￭￭￭￭899 CoulometerVariable DescriptionDDC Time for drift correctionMIM Initial measured value, i.e. measured va

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation899 Coulometer￭￭￭￭￭￭￭￭41 3Loading the method template￭ Select the desired method template and press [OK].The method i

5.4 Methods￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭42￭￭￭￭￭￭￭￭899 Coulometer￭ Press [BACK].The method will be saved and the method table is displayed.Entering a new name

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation899 Coulometer￭￭￭￭￭￭￭￭435.5 ControlMenu ▶ ControlIn the dialog Control, the settings for the execution of a single d

5.6 Sample data￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭44￭￭￭￭￭￭￭￭899 Coulometer5.6 Sample dataYou can enter the sample data (identification, sample size, etc.) in a va

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation899 Coulometer￭￭￭￭￭￭￭￭45UnitUnit of the sample size.Selection g | mg | µg | mL | µL | pieces | User-definedDefault va

5.7 Sample table￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭46￭￭￭￭￭￭￭￭899 CoulometerActivating the sample tableProceed as follows to activate the sample table (parameter Sa

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation899 Coulometer￭￭￭￭￭￭￭￭47EditEdit the data of the selected line, see following chapter.DeleteDelete the selected line

5.7 Sample table￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭48￭￭￭￭￭￭￭￭899 CoulometerInserting a new lineIf you find yourself on the last line (i.e. Line 4 of 4 in the above

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation899 Coulometer￭￭￭￭￭￭￭￭495.7.3 Sending the sample size from a balanceIf the sample size is sent directly from the bal

Table of contents￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭IV￭￭￭￭￭￭￭￭899 Coulometer3.8 Connecting a sample changer to the remote connec-tor ...

5.8 Carrying out a determination￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭50￭￭￭￭￭￭￭￭899 CoulometerThe stirring rate can be modified with the Stirrer function. The fol-low

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation899 Coulometer￭￭￭￭￭￭￭￭51 4Entering the sample size￭ Press [OK].The editing dialog opens.￭ Enter the sample size and a

5.9 Live modifications￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭52￭￭￭￭￭￭￭￭899 Coulometer 6Returning to the conditioning dialog￭ Press [BACK].The main dialog with the samp

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation899 Coulometer￭￭￭￭￭￭￭￭53￭ Select Menu and press [OK].￭ Select the menu item Live dialog and press [OK].The live dialo

5.9 Live modifications￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭54￭￭￭￭￭￭￭￭899 Coulometer 3Selecting the sample data￭ Select the menu item Sample table and press [OK].￭ Se

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation899 Coulometer￭￭￭￭￭￭￭￭555.9.3 Editing the live parametersCertain method parameters can be edited while a determinati

5.10 Results￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭56￭￭￭￭￭￭￭￭899 Coulometer5.10 ResultsMenu ▶ ResultsAfter the completion of the titration, the results dialog is disp

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation899 Coulometer￭￭￭￭￭￭￭￭57RecalculatingNoteRecalculation cannot be undone.All of the results are recalculated with the

5.11 Statistics￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭58￭￭￭￭￭￭￭￭899 CoulometerDisplaying statistical detailsAdditional data from the determination series can be displa

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation899 Coulometer￭￭￭￭￭￭￭￭595.12 Printing a report manuallyMenu ▶ Print reportsProceed as follows to print a report manu

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭Table of contents899 Coulometer￭￭￭￭￭￭￭￭V5.9.3 Editing the live parameters ...

5.13 Manual control￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭60￭￭￭￭￭￭￭￭899 CoulometerSystem System report with system settings, externaldevices, etc.Calculations/Statis-t

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭5 Operation899 Coulometer￭￭￭￭￭￭￭￭61 2Setting the stirring rate￭￭ In the function bar, select Stir- or Stir+.The stirring rate wi

6.1 Basic settings￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭62￭￭￭￭￭￭￭￭899 Coulometer6 System settings6.1 Basic settingsMenu ▶ System ▶ SettingsThis chapter contains a d

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭6 System settings899 Coulometer￭￭￭￭￭￭￭￭63NoteIn order to ensure that a second language can be selected, it must firstbe installe

6.1 Basic settings￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭64￭￭￭￭￭￭￭￭899 CoulometerRoutineLimited dialog for routine operations.ContrastThe contrast of the display can b

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭6 System settings899 Coulometer￭￭￭￭￭￭￭￭656.2 Managing common variables6.2.1 GeneralMenu ▶ System ▶ Common variablesThe instrum

6.3 File management￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭66￭￭￭￭￭￭￭￭899 Coulometer￭ Select the result whose value is to be assigned to a common vari-able.￭ In the func

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭6 System settings899 Coulometer￭￭￭￭￭￭￭￭67DeleteDelete the selected method.BackupCreate a backup of all data and settings on the

6.4 Configuring external devices￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭68￭￭￭￭￭￭￭￭899 Coulometer6.4 Configuring external devicesMenu ▶ System ▶ External devicesPC/LIMS

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭6 System settings899 Coulometer￭￭￭￭￭￭￭￭69Selection English US | French FR | German CH | GermanDE | Spanish ESDefault value Engli

Table of contents￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭VI￭￭￭￭￭￭￭￭899 Coulometer10.3.4 Printer ...

6.4 Configuring external devices￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭70￭￭￭￭￭￭￭￭899 CoulometerSelection 7 | 8Default value 8Stop bitsNumber of stop bits.Selection 1 |

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭6 System settings899 Coulometer￭￭￭￭￭￭￭￭716.5 Instrument diagnosis6.5.1 Loading program versions and language filesMenu ▶ Syste

6.5 Instrument diagnosis￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭72￭￭￭￭￭￭￭￭899 Coulometer 3Opening the file selection￭ Press [OK].The selection list with the program and

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭7 Parameters899 Coulometer￭￭￭￭￭￭￭￭737 Parameters7.1 Coulometric Karl Fischer titrations (KFC)7.1.1 ConditioningMenu ▶ Paramet

7.1 Coulometric Karl Fischer titrations (KFC)￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭74￭￭￭￭￭￭￭￭899 CoulometeroffNo drift correction takes place.Drift valueThis paramete

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭7 Parameters899 Coulometer￭￭￭￭￭￭￭￭75Selection offDefault value offMeasured value displayIf this parameter is activated, then the

7.1 Coulometric Karl Fischer titrations (KFC)￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭76￭￭￭￭￭￭￭￭899 CoulometerSelection on | offDefault value on7.1.3 Control parameters

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭7 Parameters899 Coulometer￭￭￭￭￭￭￭￭77This parameter defines the control range before the specified endpoint.Within the control ra

7.1 Coulometric Karl Fischer titrations (KFC)￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭78￭￭￭￭￭￭￭￭899 Coulometer Titration rateslow optimal fastMax. rate 1000.0 µg/min ma

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭7 Parameters899 Coulometer￭￭￭￭￭￭￭￭79If, for example, the parameter Endpoint at is set to 50 mV and the para-meter Delay time def

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭Table of figures899 Coulometer￭￭￭￭￭￭￭￭VIITable of figuresFigure 1 Front 899 Coulometer ...

7.1 Coulometric Karl Fischer titrations (KFC)￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭80￭￭￭￭￭￭￭￭899 CoulometerSelection 100 mA | 200 mA | 400 mA | autoDefault value 400

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭7 Parameters899 Coulometer￭￭￭￭￭￭￭￭81Electrode testIn the case of polarizable electrodes, an electrode test can be carried out.A

7.1 Coulometric Karl Fischer titrations (KFC)￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭82￭￭￭￭￭￭￭￭899 CoulometerThe result name is specified in the list for each calculati

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭7 Parameters899 Coulometer￭￭￭￭￭￭￭￭83Result unitThe result unit is displayed and saved together with the result.R1Selection % | m

7.1 Coulometric Karl Fischer titrations (KFC)￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭84￭￭￭￭￭￭￭￭899 CoulometerDecimal placesNumber of decimal places used to display the

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭7 Parameters899 Coulometer￭￭￭￭￭￭￭￭85Entry 30 charactersDefault value emptyDecimal placesNumber of decimal places used to display

7.1 Coulometric Karl Fischer titrations (KFC)￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭86￭￭￭￭￭￭￭￭899 CoulometerStatisticsIf this function is activated, then statistics ca

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭7 Parameters899 Coulometer￭￭￭￭￭￭￭￭87Selection on | offDefault value offMeasuring point listOutput of the measuring point list.Se

8.1 Quality Management and validation with Metrohm￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭88￭￭￭￭￭￭￭￭899 Coulometer8 Operation and maintenance8.1 Quality Management an

￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭9 Troubleshooting899 Coulometer￭￭￭￭￭￭￭￭899 Troubleshooting9.1 Karl Fischer titrationProblem Cause RemedyThe drift is very high