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【英文标准名称】:StandardTestMethodforDetermingSolubleSolidsandInsolublesinExtractsofVegetableTanningMaterials
【原文标准名称】:植物性单宁材料提取中测定可溶固体和非溶解物的标准试验方法
【标准号】:ASTMD6402-1999(2004)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:D31.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:不溶物;可溶固体;单宁分析;植物单宁分析
【英文主题词】:insolubles;solublesolids;tanninanalysis;vegetabletanninanalysis
【摘要】:Thistestmethodisusedtodeterminetheproportionofthetotalsolidswhicharesolublesolidsandthatproportionwhichareinsolublesolidsinasolutionoftanninextractorinthewaterextractfromraworspentmaterialspreparedfortanninanalysis.Thespecimensarealiquotsfromtheanalyticalsolutionspreparedfromtanninextractsorthewaterextractsolutionspreparedfromraworspentmaterials.ThesolublesolidsaredefinedastheportionofthetotalsolidswhicharedissolvedinthewaterandpassthroughafilterpreparedbydepositingalayerofKaolinpasteontoastandardfilterpaper.TheinsolublesaredefinedastheportionofthetotalsolidswhichdonotpassthroughthestandardfilterpaperpreparedwiththelayerofKaolinpaste.Theresultsofthistestmethodaredependentonagreatmanyvariablesbutparticularlyupon:5.5.1Thetemperatureconditionsunderwhichthesolutionswerepreparedandstoredandthetemperatureatwhichthecurrentanalysisisperformed;5.5.2TheuniformityandconsistencyoftheKaolinpastelayerdepositedontothefilterpaper;5.5.3Therateofsolutionrun-outfromthepipette;etc.Itis,therefore,essentialthatthemethodbefollowedexactlyinordertoobtainreproducibleresultsbothamongspecimenswithinalaboratoryandforanalysesbetweenlaboratories.1.1Thistestmethodisintendedforuseindeterminingthequantityofsolublesolidsandinsolublesinsolutionsoftanninextracts,waterextractsofvegetabletanningmaterials,ortanningliquors.Thistestmethodisapplicabletotheanlysisofliquid,solid,pasty,andpowderedtanninextractsandtothewaterextractsofraworspentmaterials.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B72
【国际标准分类号】:59_140_10(PROCESSESANDAUXILIARYMATERIALS)
【页数】:3P.;A4
【正文语种】: