ASTM C867-1994(2007) 卫生陶瓷粘土中可溶性硫酸盐的标准试验方法(光度法)

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【英文标准名称】:StandardTestMethodforSolubleSulfateinCeramicWhitewareClays(PhotometricMethod)
【原文标准名称】:卫生陶瓷粘土中可溶性硫酸盐的标准试验方法(光度法)
【标准号】:ASTMC867-1994(2007)
【标准状态】:现行
【国别】:
【发布日期】:1994
【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】:C21.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;可溶的;硫酸盐;陶瓷;光度测量法
【英文主题词】:ceramicwhitewareclays;solublesulfatescontent;sulfatecontent;solublesulfateinceramicwhitewareclays,byphotometricmethod,
【摘要】:1.1Thistestmethodcoversthedeterminationofsolublesulfateionspresentinwaterorafiltratebymeansofaphotometermeasuringtheturbidityofprecipitatedbariumsulfate.Amethodofstandardizingthephotometerforthistestmethodisalsogiven.1.2Solublesulfateionsmayberemovedfromclaysorclay-waterslurriesbyleachingwithwaterduringmixingandsubsequentfilterpressing.Toremoveallthesulfateionswouldrequireanimpracticalnumberofwashings;therefore,thistestmethodshouldbeconsideredacontroltestandnotaquantitativeanalysisforSO4ions.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q31
【国际标准分类号】:81_060_10
【页数】:3P.;A4
【正文语种】: