DIN 1916-1955 天平用的水准仪

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【英文标准名称】:StandardTestMethodforMajorandMinorElementsinCombustionResiduesfromCoalUtilizationProcesses
【原文标准名称】:煤利用过程中燃烧残留物中主要和次要元素的标准试验方法
【标准号】:ASTMD3682-2001(2006)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D05.29
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aluminumoxide(A12O3);ashanalysis;atomicabsorptionspectroscopy;calciumoxide(CaO);elementalashcomposition;ferricoxide(Fe2O3);magnesiumoxide(MgO);potassiumoxide(K2O);silicon
【摘要】:Acompositionalanalysisoftheashincoalisoftenusefulinthetotaldescriptionofthequalityofthecoal.Knowledgeofashcompositionisalsousefulinpredictingthebehaviorofashesandslagsincombustionchambers.Utilizationoftheashby-productsofcoalcombustionsometimesdependsonthechemicalcompositionoftheash.Notethatthechemicalcompositionoflaboratory-preparedcoalashmaynotexactlyrepresentthecompositionofmineralmatterinthecoalorthecompositionofflyashandslagresultingfromcommercial-scaleburningofthecoal.1.1Thistestmethodcoverstheanalysisofthecommonlydeterminedmajorandminorelementsincombustionresiduesfromcoalutilizationprocesses.Note1TestMethodsD1757orD5016shallbeusedfordeterminationofsulfur.1.2ThevaluesstatedinSIunits(IEEE/ASTMSI10)shalltoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:D21
【国际标准分类号】:27_060_01
【页数】:7P.;A4
【正文语种】:


MIL-DTL-6193D (W/ AMENDMENT 3), DETAIL SPECIFICATION: JOINTS, UNIVERSAL, PLAIN, LIGHT AND HEAVY DUTY, GENERAL SPECIFICATION FOR (14 APR 2011)., This specification covers the requirements for joints, universal, plain, light and heavy duty, for use in intermittent operations (see 6.1).