【英文标准名称】:Polyvinylchlorideinsulatedcablesofratedvoltagesuptoandincluding450/750V-Part8:Singlecorenon-sheathedcablesfordecorativechains;GermanversionHD21.8S2:1999
【原文标准名称】:额定电压小于等于450/750V聚氯乙烯绝缘电缆.第8部分:装饰链用无护套单芯电缆
【标准号】:DINVDE0281-8-2000
【标准状态】:现行
【国别】:德国
【发布日期】:2000-09
【实施或试行日期】:2000-09-01
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:绝缘覆层;照明电路;聚氯乙烯绝缘材料;电缆;电缆;电气布线系统;试验;动力电流;绝缘电缆;表面;设计;热塑性聚合物;聚氯乙烯;电力传输线路;型式;绝缘线;装饰照明灯串电线;防电击;规范(验收);电气工程;额定电压;电气安全;
【英文主题词】:
【摘要】:
【中国标准分类号】:K13
【国际标准分类号】:29_060_20
【页数】:8P;A4
【正文语种】:德语


【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