ASTM D7026-2004 通过碳同位素分析测定材料的生物基含量的测定结果的抽样和报告用标准指南

作者:标准资料网 时间:2024-05-13 14:30:00   浏览:8642   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardGuideforSamplingandReportingofResultsforDeterminationofBiobasedContentofMaterialsviaCarbonIsotopeAnalysis
【原文标准名称】:通过碳同位素分析测定材料的生物基含量的测定结果的抽样和报告用标准指南
【标准号】:ASTMD7026-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:D20.96
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:分析;测定;取样;含量;同位素;碳
【英文主题词】:biobased;radioisotopeauthentication;sampling
【摘要】:1.1ThisguideprovidesaframeworkforcollectingandhandlingsamplesfordeterminationofbiobasedcontentofmaterialsbymeansofthecarbonisotopemethoddescribedinTestMethodsD6866.Testsforsamplingadequacybasedonthestandardstatisticaltoolsareprovided.Inaddition,reportingoftheresults,includingsamplingtechniquesandhandlingproceduresandchain-of-custodyissuesarediscussed.1.2Thisguideisconcernedwithcollectingrepresentativesampleswithinagivenmaterialoralot,notwithlot-to-lotvariationssuchasconsideredinqualitycontrolschemes.1.3Biobasedmaterialsoftenrepresentsamplingproblemsspecifictoagivenmaterial,suchasheterogeneity,andsoforth,whichrequireemploymentofmaterial-specificsamplingmethods.Theuseofspecializedsamplingmethodsalreadyacceptedandvalidatedbyindustriesthatmanufactureand/orusethebiomaterialisencouraged.However,allsamplingtechniques,especiallynon-standardtechniquesdevelopedforspecificmaterialsmustbereportedinsufficientdetailtoallowcriticalassessmentofthetechniquesused.1.4Carbonisotopeanalysisinvolvesthermalprocessinginpresenceofoxidants.CompatibilityofanygivenmaterialwithTestMethodsD6866mustbeassessed.Specialattentionmustbegiventomaterialswithpotentialforexplosionhazards,suchasperoxides,nitratedcompounds,azides,andsoforth.Examplesofperoxide-formingcompoundsareethers,someketonesandanumberofothercompounds.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.Note18212;ThereisnosimilarorequivalentISOstandard.
【中国标准分类号】:A40
【国际标准分类号】:19_100
【页数】:4P.;A4
【正文语种】:


下载地址: 点击此处下载
【英文标准名称】:Degreesofprotectionprovidedbyenclosures(IPcode)(IEC60529:1989+A1:1999);GermanversionEN60529:1991+A1:2000
【原文标准名称】:由外壳提供的防护等级(国际防护等级代码)
【标准号】:DINEN60529-2000
【标准状态】:现行
【国别】:德国
【发布日期】:2000-09
【实施或试行日期】:2000-09-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:分类系统;识别系统;电驱动装置;通路;防护电气设备;外壳;外壳;接触安全装置;编码;防爆;杂质;水;IP外壳;可及性;代码;名称与符号;电气工程;电接触保护;国际防护等极代码;防护等级;合格试验;定义
【英文主题词】:Access;Accessibility;Classificationsystems;Codes;Contactsafetydevices;Definition;Definitions;Degreesofprotection;Designations;Electriccontactprotection;Electricenclosures;Electricalengineering;Electricalsafety;Electrically-operateddevices;Enclosure;Enclosures;Encoding;Explosionprotection;Identificationmethods;Identificationsystem;IECtestingfingers;Impurity;Incription;IP;IPcode;IPenclosure;Marking;Probes;Protectedelectricalequipment;Qualificationtests;Safety;Safetyengineering;Specification(approval);Symbols;Testequipment;Testfingers;Testing;Water
【摘要】:
【中国标准分类号】:K04
【国际标准分类号】:29_100_99
【页数】:38P.;A4
【正文语种】:德语