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【英文标准名称】:StandardPracticeforCalculationofBasicityofChromeTanningLiquors
【原文标准名称】:铬黄碱性值皮革鞣制液的计算
【标准号】:ASTMD3897-1991(2006)
【标准状态】:现行
【国别】:
【发布日期】:1991
【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】:D31.06
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:pH值;鞣皮制件;数学计算
【英文主题词】:basicity;chrometanningliquor;Schorlemmer
【摘要】:Basicityisaratio.Inanychromicsaltsolution,theelectrovalenceofthechromium(+3)issatisfiedbythehydroxylionsandbyacidions.Theextenttowhichthiselectravalenceissatisfiedbythehydroxylions,expressedasapercentage,isthebasicity.Thebasicityofachrometanningliquidiscloselyrelatedtothetanningbehaviorofthesolution.1.1Thispracticeisintendedtoshowhowtheresultsofthechromiumanalysis(TestMethodD3898)andtheaciditydetermination(TestMethodD3913)canbecombinedtopermitcalculationofthebasicityofachrometanningliquor.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y45
【国际标准分类号】:59_140_10
【页数】:2P.;A4
【正文语种】: