ISO 22972-2004 香精油.手性毛细管柱气相色谱法分析.一般方法
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【英文标准名称】:Essentialoils-Analysisbygaschromatographyonchiralcapillarycolumns-Generalmethod
【原文标准名称】:香精油.手性毛细管柱气相色谱法分析.一般方法
【标准号】:ISO22972-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-05
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC54
【标准类型】:()
【标准水平】:()
【中文主题词】:分析方法;气相色谱法;香精油;毛细管
【英文主题词】:Analysismethods;Capillarytubes;Essentialoils;Gaschromatography
【摘要】:ThisInternationalStandardspecifiesageneralmethodfortheanalysisofessentialoilsbygaschromatographyoncapillarychiralcolumns,forthepurposeofdeterminingthespecificenantiomericexcessordistributionofthechiralcompoundscontainedintheessentialoils.
【中国标准分类号】:X46
【国际标准分类号】:71_100_60
【页数】:4P;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforRigidPoly(VinylChloride)(PVC)andRelatedPVCandChlorinatedPoly(VinylChloride)(CPVC)BuildingProductsCompounds
【原文标准名称】:硬质聚氯乙烯(PVC)和相关聚氯乙烯(PVC)及氯化聚氯乙烯(CPVC)建筑制品化合物的标准规范
【标准号】:ASTMD4216-2003
【标准状态】:作废
【国别】:美国
【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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:化合物;聚氯乙烯;施工材料;塑料
【英文主题词】:Compounds;Constructionmaterials;Plastics;Polyvinylchloride
【摘要】:
【中国标准分类号】:Q22
【国际标准分类号】:83_080_20
【页数】:5P;A4
【正文语种】:英语
【英文标准名称】:Preparationofsteelsubstratesbeforeapplicationofpaintsandrelatedproducts-Visualassessmentofsurfacecleanliness-Part4:Initialsurfaceconditions,preparationgradesandflashrustgradesinconnectionwithhigh-pressurewaterjetting(ISO
【原文标准名称】:涂料和有关产品涂覆之前钢基片的制备.表面清洁度的目视评估.第4部分:与高压水冲法有关的初始表面条件、制备等级和闪锈等级
【标准号】:DINENISO8501-4-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-04
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:外观;涂层材料;覆层;比对样品;建筑;防腐蚀;定义;测定;高压;多语种的;涂料;准备;表面预处理;防护覆层;纯度;锈蚀;锈蚀等级;状况;钢产品;钢;表面洁净度;表面处理;表面;试验;清漆;视觉的;外观检查(试验);喷水
【英文主题词】:
【摘要】:ThispartofISO8501specifiesaseriesofpreparationgradesforsteelsurfacesafterremoval/partialremovalofwater-solublecontaminants,rust,previouspaintcoatingsandforeignmatterbyhigh-pressurewaterjetting.Thevariousgradesaredefinedbywrittendescriptionstogetherwithphotographsthatarerepresentativeexampleswithinthetolerancesforeachgradeasdescribedinwords.Inaddition,thispartofISO8501specifiesbothinitialsurfaceconditionsandafter-cleaningflashrustgrades,alsodefinedbywrittendescriptionstogetherwithrepresentativephotographicexamples.NOTE1Examplesofforeignmatteraresalt,grime,dirt,millscale,oil,greaseandmarinegrowth,e.g.algae.ThispartofISO8501relatesthecleanlinessofthesurfacetoitsvisualappearance.Inmanyinstances,thisissufficientforthepurposebut,forcoatingslikelytobeexposedtosevereenvironments,suchaswaterimmersionandcontinuouscondensationconditions,considerationshouldbegiventotestingforsolublesaltsandotherinvisiblecontaminantsonthevisuallycleansurfacebythephysicalandchemicalmethodswhichformthesubjectsofthevariouspartsofISO8502.TheroughnesscharacteristicsofthesurfaceshouldalsobeconsideredbyreferencetoISO8503,althoughitmustbenotedthatpreparationbyhigh-pressurewaterjettingdoesnotcreateaprofileorsignificantlychangeanexistingprofile.NOTE2Waterpressure,watervolume,nozzledesign,stand-offdistanceandtraverseratearefactorswhichwillaffecttheefficiencyofremovalofcontaminantssuchaswater-solublematter,rustandpaintcoatings.Theremovalefficiencyalsodependsonwhetherdetergentsarebeingusedinthecleaningprocess.Ifso,rinsingafterwardswithcleanwaterisnecessary.
【中国标准分类号】:A29
【国际标准分类号】:25_220_10
【页数】:70P.;A4
【正文语种】:
