【英文标准名称】:StandardPracticeforEvaluatingPrecisionforTestMethodStandardsintheRubberandCarbonBlackManufacturingIndustries
【原文标准名称】:在橡胶和碳黑生产工业中试验方法标准的精确度评价的标准规程
【标准号】:ASTMD4483-2005a
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D11.16
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:测定;橡胶;工艺;标准;硫化橡胶;精密度;试验
【英文主题词】:generalprecision;interlaboratorytestprogram;ITP;precision;repeatability;reproducibility;specialprecision
【摘要】:Testsareconductedusingstandardtestmethodstogeneratetestdatathatareusedtomakedecisionsforcommercial,technical,andscientificpurposes.Itfollowsthattheprecisionofaparticulartestmethodisanimportantqualitycharacteristicorfigureofmeritforatestmethodandadecisionprocess.Anevaluationoftheprecisionofatestmethodisnormallyconductedwith(1)someselectedgroupofmaterialsastypicallyusedwiththatmethodand(2)withagroupofvolunteerlaboratoriesthathaveexperiencewiththetestmethod.Theevaluationrepresentsaneventintimeforthetestmethodforthesematerialsandlaboratories.AnotherITPprecisionevaluationwithsomewhatdifferentmaterialsorevenwiththesamematerialswiththesamelaboratoriesatadifferenttime,maygenerateprecisionresultsthatdifferfromtheinitialITP.ExperienceasindicatedinRefs(1-4)4andelsewherehasshownthatthepoorreproducibilityamongthelaboratoriesofatypicalITPisalmostalwaysduetointerlaboratorybias.Certainlaboratoriesarealwaysloworhighcomparedtoareferenceaswellasotherlaboratoriesinalltests.ThisusualoutcomeformanyITPsisaddressedinthispracticebytheuseofthethree-steprobustanalysisproceduresasdescribedinSection7.Cautionisurgedinapplyingprecisionresultsofaparticulartestmethodtoproducttestingforconsumer-producerproductacceptance.Productacceptanceproceduresshouldbedevelopedonthebasisofprecisiondataobtainedinspecialprogramsthatarespecifictothecommercialproductsandtothelaboratoriesoftheinterestedpartiesforthistypeoftesting.1.1Thispracticecoversguidelinesforevaluatingprecisionandservesasthegoverningpracticeforinterlaboratorytestprograms(ITP)usedtoevaluateprecisionfortestmethodsasusedintherubbermanufacturingandthecarbonblackindustries.ThispracticeusesthebasiconewayanalysisofvariancecalculationalgorithmsofPracticeE691.Althoughbiasisnotevaluatedinthispractice,itisanessentialconceptinunderstandingprecisionevaluation.1.2Thispracticeappliestotestmethodsthathavetestresultsexpressedintermsofaquantitativecontinuousvariable.Althoughexceptionsmayoccur,itisingenerallimitedtotestmethodsthatarefullydevelopedandinroutineuseinanumberoflaboratories.1.3Twoprecisionevaluationmethodsaregiventhataredescribedasrobuststatisticalproceduresthatattempttoeliminateorsubstantiallydecreasetheinfluenceofoutliers.ThefirstisaGeneralPrecisionprocedureintendedforalltestmethodsintherubbermanufacturingindustry,andthesecondisaspecificvariationofthegeneralprecisionproceduredesignatedasSpecialPrecision,thatappliestocarbonblacktesting.BothoftheseproceduresusethesameuniformlevelexperimentaldesignandtheMandelhandkstatisticstoreviewtheprecisiondatabaseforpotentialoutliers.However,theyuseslightmodificationsintheprocedureforrejectingincompatibledatavaluesasoutliers.TheSpecialPrecisionprocedureisspecificastothenumberofreplicatesperdatabasecellormaterial-laboratorycombination.1.4Thispracticeisdividedintothefollowingsections:1.5Sixannexesarepresented;theseserveassupplementstothemainbodyofthispractice.aregivenmainlyasbackgroundinformationthatisimportantforafullunderstandingofprecisionevaluation.containdetailedinstructionsandproceduresneededtoperformtheoperationsascalledforinvariouspartsofthepractice.Theuseoftheseannex......
【中国标准分类号】:G49;G34
【国际标准分类号】:83_060
【页数】:60P.;A4
【正文语种】:
基本信息
标准名称: | 生活饮用水标准检验方法 消毒副产物指标 |
英文名称: | Standard examination methods for drinking Water - Disinfection by-products parameters |
中标分类: |
医药、卫生、劳动保护 >>
卫生 >>
环境卫生 |
ICS分类: |
环保、保健与安全 >>
|
替代情况: | 替代GB/T 5750-1985部分 |
发布部门: | 中华人民共和国卫生部 中国国家标准化管理委员会 |
发布日期: | 2006-12-29 |
实施日期: | 2007-07-01 |
首发日期: | 1985-11-16 |
作废日期: | |
主管部门: | 卫生部 |
提出单位: | 中华人民共和国卫生部 |
归口单位: | 中华人民共和国卫生部 |
起草单位: | 中国疾病预防控制中心环境与健康相关产品安全所等 |
起草人: | 金银龙、鄂学礼、陈亚妍、张岚、陈昌杰、陈守建等 |
出版社: | 中国标准出版社 |
出版日期: | 2007-07-01 |
页数: | 35页 |
计划单号: | 20066910-T-361 |
适用范围
本标准规定了生活饮用水中三溴甲烷、三溴甲烷、二氯一溴甲烷、一氯二溴甲烷、二氯甲烷、甲醛、乙醛、三氯乙醛、二氯乙酸、三氯乙酸、氯化氰、2,4,6-三氯酚、亚氯酸盐、溴酸盐14项指标的检验方法;
本标准适用于生活饮用水中消毒副产物指标的检测。
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 医药 卫生 劳动保护 卫生 环境卫生 环保 保健与安全