EN 1818-1998 地板弹性铺覆物.承受重负载小脚轮特性测定
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【英文标准名称】:Resilientfloorcoverings-Determinationoftheeffectofloadedheavydutycastors;GermanversionEN1818:1998
【原文标准名称】:地板弹性铺覆物.承受重负载小脚轮特性测定
【标准号】:EN1818-1998
【标准状态】:现行
【国别】:
【发布日期】:1998-10
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:弹性织物;磨蚀试验;脚轮;弹性的;测量;数学计算;试验;家具;解释;地板覆盖物;载荷试验;粘附;试样;负荷
【英文主题词】:Abrasiontests;Adhesion;Castors;Elastic;Elasticfabrics;Floorcoverings;Furniture;Interpretations;Loading;Loadingtests;Mathematicalcalculations;Measurement;Testspecimens;Testing
【摘要】:
【中国标准分类号】:Q17
【国际标准分类号】:97_150
【页数】:11P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 铝质调风门 |
| 中标分类： |
船舶 >>
船舶管路附件 >>
船用通风附件 |
| 替代情况： | 被CB/T 3726-1995代替 |
| 发布日期： | |
| 实施日期： | 1968-10-01 |
| 首发日期： | |
| 作废日期： | 1996-08-01 |
| 出版日期： | |
适用范围
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前言
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目录
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引用标准
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所属分类： 船舶 船舶管路附件 船用通风附件
【英文标准名称】:StandardTestMethodforGraphiteFurnaceAtomicAbsorptionSpectrometricDeterminationofLeadandCadmiumExtractedfromCeramicFoodware
【原文标准名称】:用石墨原子反应堆吸收光谱法测定陶瓷食品器皿中铅和镉的标准试验方法
【标准号】:ASTMC1466-2000(2007)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:C21.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:cadmiumrelease;cermicware;foodware;graphitefurnaceatomicabsorptionspectrometry;leadrelease
【摘要】:Toxiceffectsofleadandcadmiumarewellknownandreleaseoftheseelementsfromfoodwareisregulatedbymanycountries.Regulatorydecisionsarebasedonresultsof24-hleachingwithaceticacidbecauseresultsofthistestmethodarepreciseandaccurateandthistestmethodiseasytouse.Concentrationsofleadandcadmiumextractedbyfoodmaybedifferentfromresultsofthismethod,however,becauseacidity,contacttime,andtemperaturetypicalofconsumerusearedifferentfromthoseofthistestmethod.Thistestmethodisintendedforapplicationonlyincontamination-freesettingsandshouldbeperformedbywell-qualifiedtechnicalpersonnel.Itisrecognizedthatitisnotapracticalorappropriatemethodtouseinanonlaboratoryenvironmentforqualityassuranceandcontroloftheceramicprocess.UsersareadvisedtouseTestMethodC738(flameAAS)forpurposesofthelatter.1.1Thistestmethodcoversproceduresforusinggraphitefurnaceatomicabsorptionspectroscopy(GFAAS)toquantitativelydetermineleadandcadmiumextractedbyaceticacidatroomtemperaturefromthefood-contactsurfaceoffoodware.Themethodisapplicabletofood-contactsurfacescomposedofsilicate-basedmaterials(earthenware,glazedceramicware,decoratedceramicware,decoratedglass,andleadcrystalglass)andiscapableofdeterminingleadconcentrationsgreaterthan0.005to0.020g/mLandcadmiumconcentrationsgreaterthan0.0005to0.002g/mL,dependingoninstrumentdesign.1.2ThistestmethodalsodescribesqualitycontrolprocedurestocheckforcontaminationandmatrixinterferenceduringGFAASanalysesandaspecificsequenceofanalyticalmeasurementsthatdemonstratesproperinstrumentoperationduringthetimeperiodinwhichsamplesolutionsareanalyzed.1.3Cleaningandothercontaminationcontrolproceduresaredescribedinthistestmethod.Usersmaymodifycontaminationcontrolproceduresprovidedthatthemodificationsproduceacceptableresultsandareusedforbothsampleandqualitycontrolanalyses.1.4ThevaluesstatedinSI(metric)unitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C53
【国际标准分类号】:81_060_99;81_060_20
【页数】:8P.;A4
【正文语种】:
