MIL-STD-150A, MILITARY STANDARD: PHOTOGRAPHIC LENSES (12 MAY 1959) [NO S/S DOCUMENT]., This standard is issued for the purpose of establishing uniform definitions, nomenclature, classification of defects, methods of testing, and measurements pertaining to the field of photographic lenses.【英文标准名称】:StandardPracticeforAnalysisofWater-FormedDepositsbyWavelength-DispersiveX-RayFluorescence
【原文标准名称】:用波长色散X射线荧光法作水沉积物分析标准操作规程
【标准号】:ASTMD2332-1984(2003)
【标准状态】:现行
【国别】:
【发布日期】:1984
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D19.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:X射线荧光;比例尺;沉积;元素分析
【英文主题词】:deposits;elementalanalysis;scale;X-rayfluorescence;
【摘要】:Certainelementspresentinwater-formeddepositsareidentified.Concentrationlevelsoftheelementsareestimated.Depositanalysisassistsinprovidingproperwaterconditioning.Depositsformedfromorbywaterinallitsphasesmaybefurtherclassifiedasscale,sludge,corrosionproducts,orbiologicaldeposits.Theoverallcompositionofadepositorsomepartofadepositmaybedeterminedbychemicalorspectrographicanalysis;theconstituentsactuallypresentaschemicalsubstancesmaybeidentifiedbymicroscopeorX-raydiffractionstudies.Organismsmaybeidentifiedbymicroscopicalorbiologicalmethods.1.1ThispracticecoversX-rayspectrochemicalanalysisofwater-formeddeposits.1.2Thepracticeisapplicabletothedeterminationofelementsofatomicnumber11orhigherthatarepresentinsignificantquantityinthesample(usuallyabove0.1%).1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_30
【页数】:3P.;A4
【正文语种】: