EN ISO 10673-1998 螺钉和垫圈组件用普通垫圈.小系列、标准系列和大系列.产品等级A
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【英文标准名称】:Plainwashersforscrewandwasherassemblies-Small,normalandlargeseries-ProductgradeA(ISO10673:1998);GermanversionENISO10673:1998
【原文标准名称】:螺钉和垫圈组件用普通垫圈.小系列、标准系列和大系列.产品等级A
【标准号】:ENISO10673-1998
【标准状态】:现行
【国别】:
【发布日期】:1998-10
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:锁定装置及定位装置;特性;尺寸;规范(验收);交货条件;验收规范;名称与符号;钢;螺钉;螺钉垫圈组件;垫圈;锁紧装置;螺钉锁紧装置;安装材料;紧固件;米制的
【英文主题词】:Acceptancespecification;Deliveryconditions;Designations;Dimensions;Fasteners;Lockingandlocatingdevices;Lockingdevices;Metric;Mountingmaterials;Properties;Screwlockingdevices;Screw-and-washerassemblies;Screws(bolts);Shallow;Specification(approval);Steels;Washers
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:21_060_30
【页数】:9P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminationofBisphenolAinEnvironmentalWatersbyLiquidChromatography/TandemMassSpectrometry
【原文标准名称】:利用液相色谱/串联质谱法测定环境水样中双酚A的标准试验方法
【标准号】:ASTMD7574-2009
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:D19.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:BisphenolA;liquidchromatography;solidphaseextraction;tandemmassspectrometry;water
【摘要】:ThefirstreportedsynthesisofBPAwasbythereactionofphenolwithacetonebyZincke.BPAhasbecomeanimportanthighvolumeindustrialchemicalusedinthemanufactureofpolycarbonateplasticandepoxyresins.Polycarbonateplasticandresinsareusedinnumerousproductsincludingelectricalandelectronicequipment,automobiles,sportsandsafetyequipment,reusablefoodanddrinkcontainers,electricallaminatesforprintedcircuitboards,composites,paints,adhesives,dentalsealants,protectivecoatingsandmanyotherproducts.TheenvironmentalsourceofBPAispredominantlyfromthedecompositionofpolycarbonateplasticsandresins.BPAisnotclassifiedasbio-accumulativebytheU.S.EnvironmentalProtectionAgencyandwillbiodegrade.BPAhasbeenreportedtohaveadverseeffectsinaquaticorganismsandmaybereleasedintoenvironmentalwatersdirectlyattracelevelsthroughlandfillleachateandPOTWeffluents.ThismethodhasbeeninvestigatedforusewithsurfacewaterandsecondaryandtertiaryPOTWeffluentsamplestherefore,itisapplicabletothesematricesonly.Ithasnotbeeninvestigatedforusewithsaltwaterorsolidsamplematrices.1.1ThisprocedurecoversthedeterminationofbisphenolA(BPA)extractedfromwaterutilizingsolidphaseextraction(SPE),separatedusingliquidchromatography(LC)anddetectedwithtandemmassspectrometry(MS/MS).BPAisqualitativelyandquantitativelydeterminedbythismethod.Thismethodadherestomultiplereactionmonitoring(MRM)massspectrometry.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Themethoddetectionlimit(MDL)andreportinglimit(RL)forBPAarelistedinTable1.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.TABLE1MDLandReportingRangeAnalyte
MDLA(ng/L)
ReportingRangeB(ng/L)
BisphenolA
5
20x2013;600
【英文标准名称】:Internationalelectrotechnicalvocabulary;chapter486:secondarycellsandbatteries
【原文标准名称】:国际电工词汇第486章:蓄电池和蓄电池组
【标准号】:IEC60050-486-1991
【标准状态】:作废
【国别】:国际
【发布日期】:1991-07
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC21
【标准类型】:()
【标准水平】:()
【中文主题词】:蓄电池组;电气工程;二次电池;蓄电池;词汇;定义
【英文主题词】:storagebatteries;definitions;batteries;vocabulary;electricalengineering;secondarybatteries
【摘要】:
【中国标准分类号】:K84
【国际标准分类号】:29_220_20;01_040_29
【页数】:49P;A4
【正文语种】:英语
