MIL-P-71012A, MILITARY SPECIFICATION: PISTOL, SEMIAUTOMATIC, COMPACT, 9MM: M11 (15 FEB 1994)., This specification establishes the design, performance, quality assurance and packaging requirements for the Pistol, Semiautomatic, Compact, 9mm: M11.【英文标准名称】:Waterquality-Determinationofaluminium-Atomicabsorptionspectrometricmethods
【原文标准名称】:水的质量.铝的测定.原子吸收光谱法
【标准号】:BSENISO12020-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-04-15
【实施或试行日期】:2000-04-15
【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】:测量仪器;质量;校正;水质试验;试样制备;浓缩;试验设备;干扰(化学);精密度;铝;水;原子吸收分光光度测定法;质量(物质);燃烧原子吸收光谱测定法;含量测定
【英文主题词】:
【摘要】:ThisInternationalStandarddescribestwoatomicabsorptionspectrometric(AAS)methodsforthedeterminationofaluminiuminwater.1FlameAASTheflameAASmethod(clause2)isapplicableforthedeterminationofaluminiuminwaterinmassconcentrationsfrom5mg/lto100mg/l.Higherconcentrationsmaybedeterminedafteranappropriatedilutionofthesample.Carefulevaporationofthesample,acidifiedwithnitricacid,maybeusedtoextendtheworkingrangeofthemethodtolowerconcentrationsaslongasnoprecipitationisobserved.NOTE-Ifthelinearrangeoftheinstrumentissufficientlylarge,concentrations<5mg/lmaybedeterminedwiththismethod;otherwisethedeterminationneedstobecarriedoutinthegraphitefurnace,asdescribedinclause3.Ifthedeterminationofthetotalcontentofaluminiumisrequired,adigestionofthesampleaccordingto2.5.3isnecessary.Silicatesandaluminiumoxidecompoundsmay,however,notbequantitativelydeterminedwiththisdigestionprocedure.2GraphitefurnaceThegraphitefurnaceAASmethod(clause3)isapplicableforthedeterminationofaluminiuminwatersandwastewatersinmassconcentrationsfrom10μg/lto100μg/lapplyingadosingvolumeof20μl.Theworkingrangecanbeshiftedtohigherconcentrationseitherbydilutionofthesampleorbyusingasmallersamplevolume.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:20P;A4
【正文语种】:英语