ASTM D4373-2002(2007) 快速测定土壤中碳化钙含量的标准试验方法

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【英文标准名称】:StandardTestMethodforRapidDeterminationofCarbonateContentofSoils
【原文标准名称】:快速测定土壤中碳化钙含量的标准试验方法
【标准号】:ASTMD4373-2002(2007)
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:D18.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:碳酸钙;碳酸盐;土壤分析;碳化钙;土壤;土壤;测试;含量
【英文主题词】:calcareoussoils;calciteequivalent;carbonatecontent;KarbanatBombe;marinesoils
【摘要】:1.1Thistestmethodcoversthedeterminationofcarbonatecontentofsoilsandsoftrockwhichcanbereadilybrokendownbymechanicaleffort.Itisagasometricmethodthatutilizesasimpleportableapparatus.Resultsshouldbeclearlystatedasthecalciteequivalentinpercentbecausedifferentcarbonatespeciescoverawiderangeofpercentcalciteequivalentasshownbelowforanumberofcarbonates:Forexample,a100%dolomitewouldbeexpectedtoyield108.6%calciteequivalentwhile100%sideritewouldyieldonly86.4%calciteequivalent.Calciteandaragonitereactionswilltypicallycompletewithinabout10min.Thismethoddoesnotdistinguishbetweenthecarbonatespeciesandsuchdeterminationmustbemadeusingquantitativechemicalanalysismethodssuchasatomicabsorption.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.4Themethodusedtospecifyhowdataarecollected,calculated,orrecordedinthisstandardisnotdirectlyrelatedtotheaccuracytowhichthedatacanbeappliedindesignorotheruses,orboth.Howoneappliestheresultsobtainedusingthisstandardisbeyonditsscope.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionstatements,seeSection8.
【中国标准分类号】:B11
【国际标准分类号】:13_080_10
【页数】:4P.;A4
【正文语种】: