【英文标准名称】:AmmoniainHydrocarbons
【原文标准名称】:烃类物质中的氨
【标准号】:ASTMUOP958-1998
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:
【标准类型】:(UOP)
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Thismethodisanextractionprocedurethat,whenusedinconjunctionwithUOPMethod959,allowsthedeterminationofammoniainliquidhydrocarbonstreams.Othernitrogenspecies,ifpresent,arenotdetectedbythismethod.Thisprocedureyieldsquantitativeresultsandhasbeentestedintherangeofapproximately0.5to10mass-ppmammonia.HigherconcentrationscanbedeterminedbydilutionoftheaqueousextractasnotedinUOPMethod959,orbyperformingtheextractionusingalargervolumeofwaterand/orasmallersamplesize(preferrediftheammonialevelcanbeestimated).
【中国标准分类号】:
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:StandardPracticeforDescriptiveSkinfeelAnalysisofCreamsandLotions
【原文标准名称】:皮肤对脂膏及洗剂的感觉描述性分析的标准实施规程
【标准号】:ASTME1490-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:E18.07
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:试验;化妆品
【英文主题词】:cream;descriptiveanalysis;lotion;panelists;sensory;skincareproducts;skinfeel;tactile
【摘要】:Theprocedurerecommendedinthispracticecanbeusedtoassessthesensoryappearanceandtactilepropertiesoflotionsandcreamsorointment.Thispracticeisapplicabletoproductcategoriesthatincludeskinlotionsandcreams;facialmoisturizers;handlotionsandcreams;andskincareproductsforwhichtheappearanceandtactilepropertiesneedtobeassessed.Proceduresofthetypedescribedhereinmaybeusedtocommunicateperceivedsensoryproperties(appearanceandfeel)betweenmanufacturersandtotheconsumerthroughthemedia.Theseguidelinesaresuggestedtomeettheneedforascertainingtheperformanceofexperimentalorcommercialsamples.Theseproceduresaretobeusedbypersonswhohavefamiliarizedthemselveswiththeproceduresandhavehadpreviousexperiencewithsensoryevaluation.Thispracticeprovidessuggestedproceduresandisnotmeanttoexcludealternateproceduresthatmaybeeffectiveinprovidingsensoryevaluationdescriptions.1.1Theobjectiveofthispracticeistoprovideproceduresthatmaybeusedinthedesignandanalysisofstudiesofskincareproductsthatcomparequalitativelyandquantitativelyvarioussensoryattributesandtheirintensity(orstrength)overtime.Thesepropertiescanthenbeusedtodefinetheperformanceofskincareproductstoprovidedirectioninproductformulation,researchguidance,andclaimsubstantiation.1.2Guidelinesareprovidedforthedefinitionofeachproductattributeorterm,rangeoftheratingscales,proceduresforthemanipulationofproductaloneandontheskin,selectionandtrainingofpanelists,handlingofproducts,andskinconditioningpriortotests.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y42
【国际标准分类号】:71_100_70
【页数】:16P.;A4
【正文语种】: