ISO 4943-1985 钢和铸铁铜含量的测定火焰原子吸收光谱法
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【英文标准名称】:Steelandcastiron;Determinationofcoppercontent;Flameatomicabsorptionspectrometricmethod
【原文标准名称】:钢和铸铁铜含量的测定火焰原子吸收光谱法
【标准号】:ISO4943-1985
【标准状态】:现行
【国别】:国际
【发布日期】:1985-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC17
【标准类型】:()
【标准水平】:()
【中文主题词】:钢;化学分析;铜;化学分析和试验;原子吸收法;含量测定;铸铁;原子吸收分光光度测定法
【英文主题词】:Analysis;Atomicabsorptionspectrophotometry;Cast-iron;Chemicalanalysisandtesting;Copper;Determinationofcontent;Iron;Steelproducts;Steels;Testing
【摘要】:Themethodisapplicabletocoppercontentsbetween0.004%(m/m)and0.5%(m/m).Specifiesprinciple,reagents,apparatus,sampling,procedure,expressionofresultsandtestreport.AnnexAgivesadditionalinformationontheinternationalco-operativetests.AnnexBincludesthegraphicalrepresentationofprecisiondata.
【中国标准分类号】:H11
【国际标准分类号】:77_080_01
【页数】:6P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforSamplingVegetableMaterialsContainingTannin
【原文标准名称】:含单宁的植物材料取样的标准实施规程
【标准号】:ASTMD6404-1999(2009)
【标准状态】:现行
【国别】:美国
【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】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:sampling;tannin;tanninsamples;tanningmaterials;vegetabletannin;Quarteringsamples;Samplingleathermaterials/applications;Tanninganalysis/materials;Vegetable-tannedleather
【摘要】:Thispracticeprovidesstandardproceduresforobtainingrepresentativesamplesofvariousmaterialsusedasasourceoftanninsforthetanningindustry.Proceduresaredescribedforobtainingrepresentativesamplesofeconomicalandconvenientquantitiesfromalot,orsectionsofalot,ofmaterialforexaminationandanalysissothatagreementmaybereachedwithregardtotheextentofvariationofqualityindifferentportionsofalotandtheaveragequalityoftheentirelotofmaterial.Nodirectionsforsampling,howeverexplicit,cantaketheplaceofjudgment,skill,andpreviousexperienceonthepartofpersonsactuallyengagedinthesamplingorthesupervisionofthesampling.Thesedirectionsareintendedtosupplementthatexperienceand,particularly,toserveasaguideintheselectionofthemethodwhichistobeused,incommon,byeachoftwoormorecontractingparties.Tanningmaterialscontainmoistureinvaryingamounts,dependingbothonthenatureofthematerialandontheclimaticconditions,sothatsamplingmustbecarriedoutasquicklyasisconsistentwiththoroughnessinordertoavoidchangesinmoisturecontent.1.1Thispracticecoversobtainingrepresentativesamplesfromshipmentlotsofbotanicalmaterialscontainingtannin.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B72
【国际标准分类号】:59_140_10
【页数】:4P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodsforRubberLatices-Synthetic
【原文标准名称】:合成胶乳的标准试验方法
【标准号】:ASTMD1417-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D11.23
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:latex;rubberlatices;synthetic;Acidity,alkalinity,pH--rubbermaterials/applications;Chemicalanalysis--rubberchemicals/materials;Coagulumcontent;Mechanicalstability;Mooneyviscositytesting;Naturalrubber(NR)latex;Solidscontent;Styrenec
【摘要】:1.1ThesetestmethodscovertestproceduresforsyntheticrubberlaticesABR,BR,CR,IIR,IR,NBR,NCR,NIR,PBR,PSBR,SBR,SCR,SIR,syntheticrubberlaticeshavingsubstitutecarboxylicacid(COOH)groupsonthepolymerchain(X),andsyntheticrubberlaticesthatarereinforced(Y).Exceptionstotheabovearenotedintheindividualtestprocedures.Thetestmethodsincludeproceduresforsampling,andfordeterminingtotalsolids,volatileunsaturates(residualstyrene),pHvalue,surfacetension,viscosity,coagulum,boundstyrene,Mooneyviscosity,mechanicalstability,polystyrenereinforcementincontainedpolymer,andresidualacrylonitrilecontent.Note18212;ThenomenclatureusedinthesetestmethodsisinaccordancewithPracticeD1418.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G34
【国际标准分类号】:83_040_10
【页数】:11P.;A4
【正文语种】:英语
