ISO 3000-1974 工业用三聚磷酸钠三聚磷酸盐含量的测定氯化三乙二胺钴(III)重量法
时间:2024-04-29 13:48:27 来源: 标准资料网 作者：标准资料网 阅读：9550
【英文标准名称】:Sodiumtripolyphosphateforindustrialuse;Estimationoftripolyphophatecontent;Tris(ethylenediamine)cobalt(III)chloridegravimetricmethod
【原文标准名称】:工业用三聚磷酸钠三聚磷酸盐含量的测定氯化三乙二胺钴(III)重量法
【标准号】:ISO3000-1974
【标准状态】:作废
【国别】:国际
【发布日期】:1974-12
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC47
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析;三聚磷酸盐;三聚磷酸纳;重量分析;钠;化学分析和试验;含量测定;聚磷酸盐
【英文主题词】:chemicalanalysis;determinationofcontent;tripolyphosphates;polyphosphates;gravimetricanalysis;sodiumtripolyphosphates;sodium;chemicalanalysisandtesting
【摘要】:Notapplicableinthepresenceofmetaphosphate.Thepresenceofpyrophosphateatnormalconcentrations?maximum6%(m/m)?doesnotinterfere.Theprincipleconsistsinprecipitationoftripolyphosphateasitscomplexwithtris(ethylenediamine)cobalt(III)chlorideatapHofbetween3and4inabufferedmedium.Filtration,washing,dryingandweighingoftheprecipitate.Detailsthepreparationofthereagentusedforanalysis.HasalsobeenapprovedbytheIUPAC.
【中国标准分类号】:G10
【国际标准分类号】:0520;5603
【页数】:3P;A4
【正文语种】:英语
【英文标准名称】:Clothingforprotectionagainstliquidchemicals-Determinationoftheresistanceofprotectiveclothingmaterialstopenetrationbyliquidsunderpressure;TechnicalCorrigendum1
【原文标准名称】:液态化学制品防护服.加压下测定防护服材料抗液体渗透性.技术勘误1
【标准号】:ISO13994TechnicalCorrigendum1-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-10
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC94
【标准类型】:()
【标准水平】:()
【中文主题词】:药液;测定;外衣;实验室试验;液体;渗透探伤;渗透性;防护服装;耐力;试验;工作服
【英文主题词】:Chemicals;Determination;Garment;Laboratorytesting;Liquids;Penetrantflawdetection;Permability;Protectiveclothing;Resistance;Testing;Workclothes
【摘要】:ThisisTechnicalCorrigendum1toISO13994-2005(Clothingforprotectionagainstliquidchemicals—Determinationoftheresistanceofprotectiveclothingmaterialstopenetrationbyliquidsunderpressure)
【中国标准分类号】:C73
【国际标准分类号】:13_340_10
【页数】:2P.;A4
【正文语种】:英语
【英文标准名称】:Electricalandelectronicmeasurementequipment-Expressionofperformance
【原文标准名称】:电气和电子测量设备.性能的表示
【标准号】:BSEN60359-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-04-15
【实施或试行日期】:2002-04-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisInternationalStandardappliestothespecificationofperformance,withprimaryreferencetoindustrialapplications,ofthefollowingkindsofelectricalandelectronicequipment:-indicatingandrecordinginstrumentswhichmeasureelectricalquantities;-materialmeasureswhichsupplyelectricalquantities;-instrumentswhichmeasurenon-electricalquantitiesusingelectricalmeans,forallpartsofthemeasuringchainwhichpresentelectricaloutputsignals.Thisstandardappliestothespecificationofperformanceofinstrumentsoperatinginsteady-stateconditions(see3.1.15),usualinindustrialapplications.ItisbasedonthemethodsexpoundedinGUMforexpressingandevaluatingtheuncertaintyofmeasurement,andreferstoGUMforthestatisticalprocedurestobeusedindeterminingtheintervalsassignedtorepresentuncertainty(includingthewaytoaccountfornon-negligibleuncertaintiesinthetraceabilitychain).Thisstandarddoesnotaddressthepropagationofuncertaintybeyondtheinstrument(orthemeasuringequipment)whoseperformanceisconsideredandwhichmayundergocompliancetesting.Theobjectistoprovidemethodsforensuringuniformityinthespecificationanddeterminationofuncertaintiesofequipmentwithinitsscope.AllothernecessaryrequirementshavebeenreservedfordependentIECproductstandardspertainingtoparticulartypesofequipmentwhichfallwithinthescopeofthisstandard.Forexample:theselectionofmetrologicalcharacteristicsandtheirranges,andofinfluencequantitiesandtheirspecifiedoperatingranges,isreservedforIECproductstandards.
【中国标准分类号】:N20
【国际标准分类号】:17_220_20
【页数】:38P;A4
【正文语种】:英语