ANSI/ASTM D778-1997 纸萃取物的氢离子浓度(PH)的试验方法(热萃取和冷萃取法)

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【英文标准名称】:TestMethodsforHydrogenIonConcentrate(pH)ofPaperExtracts(Hot-ExtractionandCold-ExtractionProcedures)
【原文标准名称】:纸萃取物的氢离子浓度(PH)的试验方法(热萃取和冷萃取法)
【标准号】:ANSI/ASTMD778-1997
【标准状态】:作废
【国别】:美国
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:纸
【英文主题词】:Paper
【摘要】:Thesetestmethodscovertwoproceduresfordeterminationofthehydrogenionconcentration,expressedintermsofpH,ofanaqueousextractofpaper.Thesetestmethodsmaybeappliedtowriting,printing,andsizedindustrialpapers.ThesetestmethodsarenotintendedtobeusedfordeterminationofpHofinsulatingpapers,forthatseeTestMethodsD202.Thetestmethodsappearasfollows:SpecificationsmaybebasedonTestMethodAorTestMethodB,orboth.Whereaspecificationorspecificinstructionsoragreementtouseonlyoneofthesetestmethodsisabsent,determinepHusingbothprocedures,andinterpretresultsbasedonSection12.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y30
【国际标准分类号】:85_060
【页数】:
【正文语种】:英语