【英文标准名称】:Plastics-Phenolicresins-Determinationofhexamethylenetetraminecontent-Kjeldahlmethod,perchloricacidmethodandhydrochloricacidmethod.
【原文标准名称】:塑料.酚醛树脂.六亚甲基四胺含量的测定.凯氏法、高氯酸法和氯化氢法
【标准号】:NFT51-431-2006
【标准状态】:现行
【国别】:法国
【发布日期】:2006-11-01
【实施或试行日期】:2006-11-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析和试验;含量测定;六亚甲基四胺;基耶达尔;基尔达斯法;方法;过氯酸;酚醛树脂;塑料;树脂;试验
【英文主题词】:Chemicalanalysisandtesting;Determinationofcontent;Hexamethylenetetramine;Kjeldahl;Kjeldahlsmethod;Methods;Perchloricacid;Phenolicresins;Plastics;Resins;Testing
【摘要】:
【中国标准分类号】:G31
【国际标准分类号】:83_080_10
【页数】:13P;A4
【正文语种】:其他


【英文标准名称】:Soilquality-Physicalmethods-Methodbysievingandsedimentation
【原文标准名称】:土质.物理方法.筛分和沉淀法
【标准号】:BS7755-5.4-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1998-07-15
【实施或试行日期】:1998-07-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:质量;试样制备;粒度测量;土壤试验;土壤;土壤的物理性质;物理性能测量;按大小分级;密度测量;粒度分布;再现性;试验设备;土壤学;沉淀技术;筛选(大小);土壤分级试验;校正;试验条件;数学计算;筛分;文献索引;试样;矿物
【英文主题词】:Carbonates;Compositionoftheground;Determination;Drysieving;Mineralsoils;Minerals;Organicmatters;Particlesize;Particlesizedistribution;Salts;Samplingmethods;Sedimentation;Sedimentationanalysis;Sieving;Sizeclassification;Soilsurveys;Soiltesting;Solutes;Wetscreening
【摘要】:ThisInternationalStandardspecifiesabasicmethodofdeterminingparticlesizedistributionapplicabletoawiderangeofmineralsoilmaterials,includingthemineralfractionoforganicsoils.Italsooffersprocedurestodealwiththelesscommonsoilsmentionedintheintroduction.ThisInternationalStandardhasbeendevelopedlargelyforuseinthefieldofenvironmentalscience,anditsuseingeotechnicalinvestigationsissomethingonwhichprofessionaladvicemightberequired.AmajorobjectiveofthisInternationalStandardisthedeterminationofenoughsizefractionstoenabletheconstructionofareliableparticlesizedistributioncurve.ThisInternationalStandarddoesnotapplytothedeterminationoftheparticlesizedistributionoftheorganiccomponentsofsoil,i.e.themoreorlessfragile,partiallydecomposed,remainsofplantsandanimals.ItshouldalsoberealizedthatthechemicalpretreatmentsandmechanicalhandlingstagesinthisInternationalStandardcouldcausedisintegrationofweaklycohesiveparticlesthat,fromfieldinspection,mightberegardedasprimaryparticles,eventhoughsuchprimaryparticlescouldbebetterdescribedasaggregates.Ifsuchdisintegrationisundesirable,thenthisInternationalStandardshouldnotbeusedforthedeterminationoftheparticlesizedistributionofsuchweaklycohesivematerials.
【中国标准分类号】:B11
【国际标准分类号】:13_080_20
【页数】:38P.;A4
【正文语种】:英语