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时间:2018-12-01
《水质 pH值测定(ISO 10523-1994)》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、BRITISHSTANDARDBS6068-2.50:1995ISO10523:1994Waterquality—Part2:Physical,chemicalandbiochemicalmethods—Section2.50DeterminationofpHBS6068-2.50:1995CommitteesresponsibleforthisBritishStandardThepreparationofthisBritishStandardwasentrustedbyTechnicalCommitteeEPC/44,Waterquality,toSubco
2、mmitteeEPC/44/2,Physical,chemicalandbiochemicalmethods,uponwhichthefollowingbodieswererepresented:TheAssoicationoftheLaboratorySupplyIndustryBritishAgrochemicalsAssociationLtd.BritishCeramicResearchBritishGasplcBritishSoftDrinksAssociationLtd.ChemicalIndustriesAssociationConventiono
3、fScottishLocalAuthoritiesDepartmentoftheEnvironment(WaterDirectorate)DepartmentofTradeandIndustry(LaboratoryoftheGovernmentChemist)GAMBICA(BEAMA)Ltd.IndustrialWaterSocietyInstitutionofWaterandEnvironmentalManagementNationalRiversAuthorityRoyalSocietyofChemistrySoapandDetergentIndust
4、ryAssociationSocietyofChemicalIndustrySwimmingPoolandAlliedTradesAssociationLtd.WaterCompanies’AssociationWaterResearchCentreWaterServicesAssociationofEnglandandWalesThisBritishStandard,havingbeenpreparedunderthedirectionoftheHealthandEnvironmentSectorBoard,waspublishedundertheautho
5、rityoftheStandardsBoardandcomesintoeffectonAmendmentsissuedsincepublication15August1995Amd.No.DateComments©BSI06-1999ThefollowingBSIreferencesrelatetotheworkonthisstandard:CommitteereferenceEPC/44Draftforcomment92/54728DCISBN0580244652BS6068-2.50:1995ContentsPageCommitteesresponsibl
6、eInsidefrontcoverNationalforewordiiIntroduction11Scope12Normativereference13Definition14Reagents15Apparatus26Samplingandsamples27Procedure28CalculationofpHforvarioustemperatures39Checkingoftheaccuracyandmaintenanceoftheequipment310Expressionofresults411Standarddeviation412Testreport
7、4AnnexA(informative)CalculationofthepH-value6AnnexB(informative)PrimarypHstandardreferencesolutions7AnnexC(informative)Lowbuffercapacitystandardsolutions7AnnexD(informative)Syntheticrainwater8AnnexE(informative)Bibliography8Figure1—Graphictemperaturecorrection5Table1—Untitled3TableA
8、.1—Variationofslope
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