1、INTERNATIONALSTANDARDIEC60746-3Second edition2002-06Expression of performance ofelectrochemical analyzers Part 3:Electrolytic conductivityExpression des qualits de fonctionnementdes analyseurs lectrochimiques Partie 3:Conductivit lectrolytiqueReference numberIEC 60746-3:2002(E)Copyright Internationa
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9、ERNATIONALSTANDARDIEC60746-3Second edition2002-06Expression of performance ofelectrochemical analyzers Part 3:Electrolytic conductivityExpression des qualits de fonctionnementdes analyseurs lectrochimiques Partie 3:Conductivit lectrolytique IEC 2002 Copyright-all rights reservedNo part of this publi
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12、tion or networking permitted without license from IHS-,-,-2 60746-3 IEC:2002(E)CONTENTSFOREWORD.31Scope.52Normative references.53Definitions.54Procedure for specification.84.1Additional statements on sensor units.84.2Additional statements on electronic units.84.3Additional statements on complete ana
13、lyzers.85Recommended standard values and ranges of influence quantities affecting theperformance of electronic units.86Verification of values.86.1General aspects.96.2Calibration.96.3Test solutions.96.4Test procedures.10Annex A(informative)Electrolytic conductivity values of potassium chloride calibr
14、ationsolutions and pure water.12Annex B(informative)Electrolytic conductivity values of aqueous sodium chloridesolutions.13Annex C(normative)Alternative procedures for measuring response times:delay(T10),rise(fall)(Tr,Tf)and 90%(T90)times.15Annex D(informative)Conductivity cells.16Bibliography.17Tab
15、le A.1 Electrolytic conductivity values.12Table A.2 Electrolytic conductivity of pure water.12Table B.1 Conductivity of sodium chloride solutions at 18 C.13Table B.2 Temperature coefficients for low-concentration sodium chloride solutions.14Table B.3 Tentative corrections to sodium chloride solution
16、 temperature coefficients.14Copyright International Electrotechnical Commission Provided by IHS under license with IECNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-60746-3 IEC:2002(E)3 INTERNATIONAL ELECTROTECHNICAL COMMISSION_EXPRESSION OF PERFORMANCEOF ELECTROCHEMICAL ANALYZERS Part 3:Electrolytic conductivityFOREWORD1)The IEC(International Electrotechnical Commission)is a worldwide organization for standardization comprisingall national electrotechnical co
