【英文标准名称】:Milk-Quantitativedeterminationofbacteriologicalquality-Guidanceforestablishingandverifyingaconversionrelationshipbetweenroutinemethodresultsandanchormethodresults
【原文标准名称】:牛奶.细菌学质量的定量测定.建立和验证常规法结果和固有法结果之间的转换关系的指南
【标准号】:ISO21187-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-12
【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/TC34
【标准类型】:()
【标准水平】:()
【中文主题词】:常规试验;细菌学质量;农产品;乳制品分析;精密度;牛奶;乳制品;实验室试验;质量控制;试验报告;食品;分析方法;定义
【英文主题词】:Agriculturalproducts;Analysismethods;Bacteriologicalquality;Controlmethod;Dairyanalysis;Dairyproducts;Definitions;Foodproducts;Investigations;Laboratorytesting;Milk;Precision;Qualitycontrol;Quantitativeanalysis;Routinetests
【摘要】:ThisInternationalStandardgivesguidelinesfortheestablishmentofaconversionrelationshipbetweentheresultsofaroutinemethodandananchormethod,anditsverificationforthequantitativedeterminationofthe.bacteriologicalqualityofmilk.
【中国标准分类号】:X16
【国际标准分类号】:07_100_30;67_100_10
【页数】:13P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforSeparationofRepresentativeAromaticsandNonaromaticsFractionsofHigh-BoilingOilsbyElutionChromatography
【原文标准名称】:洗脱色谱法分离高沸点油的典型芳烃和非芳烃馏分的标准试验方法
【标准号】:ASTMD2549-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D02.04.0C
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aromaticsfraction;elutionchromatography;high-boilingoils;nonaromaticsfraction
【摘要】:Thedeterminationofcompoundtypesbymassspectrometryrequires,insomeinstances,apreliminaryseparationofthepetroleumsampleintorepresentativearomaticsandnonaromaticsfractions,asinTestMethodsD2425,D2786,andD3239.Thistestmethodprovidesasuitableseparationtechniqueforthisapplication.1.1Thistestmethodcoverstheseparationanddeterminationofrepresentativearomaticsandnonaromaticsfractionsfromhydrocarbonmixturesthatboilbetween232and538176;C(450and1000176;F).Alternativeproceduresareprovidedfortheseparationof2gor10gofhydrocarbonmixture.Somecomponentsmaynotbeelutedfromthechromatographiccolumnforsometypesofsamplesundertheconditionsusedinthismethod.Note1TestMethodD2007isanalternativemethodofseparatinghigh-boilingoilsintopolarcompounds,aromatics,andsaturatesfractions.1.2Analternativeprocedureisprovidedtohandlesamplesboilingbelow232176;C(450176;F),butwhose5%pointisabove178176;C(350176;F)asdeterminedbyTestMethodD2887.ThisprocedureisgiveninAppendixX1.1.3ThevaluesstatedinacceptableSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationpurposesonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:6P.;A4
【正文语种】: