DIN CEN/TS 14577-2004 接触食品的材料和物质.塑料.聚合添加剂.1000道尔顿以下的聚合添加剂质量系数测定的试验方法
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【英文标准名称】:Materialsandarticlesincontactwithfoodstuffs-Plastics-Polymericadditives-Testmethodforthedeterminationofthemassfractionofapolymericadditivethatliesbelow1000Daltons;GermanversionCEN/TS14577:2003
【原文标准名称】:接触食品的材料和物质.塑料.聚合添加剂.1000道尔顿以下的聚合添加剂质量系数测定的试验方法
【标准号】:DINCEN/TS14577-2004
【标准状态】:现行
【国别】:德国
【发布日期】:2004-03
【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】:危险物质;塑料;萃取;分析方法;接触食品的材料;添加剂;化学成分;食品;试验;色谱法;数学计算;质量浓度;高聚物;物品;化合物;保健
【英文主题词】:Additives;Articles;Chemicalcomposition;Chemicals;Chromatography;Dangerousmaterials;Extraction;Foodproducts;Healthprotection;Massconcentration;Materialsincontactwithfood;Mathematicalcalculati
【摘要】:ThisTechnicalSpecificationspecifiesatestmethodtodeterminethemassfractionofapolymericadditivethatfallsbelowaMWof1000.Themethodisapplicabletopolymericadditivesperse-i.e.suppliedintheirusableform,beforeformulationintoaplastic.Themethodisalsoapplicabletopolymericadditivesextractedfromfinishedplasticmaterialsandarticles,providedthatprecautionsaretakentoensuretheabsenceofanyinterferencefromanyotherco-extractivesderivedfromtheplastic.
【中国标准分类号】:X08
【国际标准分类号】:67_250;83_040_30
【页数】:15P;A4
【正文语种】:德语
【英文标准名称】:StandardPracticeforPreparationofMolybdenumandMolybdenumAlloysforElectroplating
【原文标准名称】:电镀用钼和钼合金的制备的标准实施规程
【标准号】:ASTMB629-1977(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1977
【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】:B08.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Molybdenumisusedinengineeringapplicationswherestrengthandrigidityofcomponentpartsareneeded,especiallyathightemperatures.Itsgoodstrengthathightemperatures,lowvaporpressure,andgoodimpactandcreepresistancemakeitattractiveforload-bearingitemssuchasturbineblades,mechanicalseals,rocketmotorparts,heatingelements,andelectronicdevices.Molybdenum,however,iseasilyoxidized,andtheoxidesarenotprotective.Thevolatilityoftheoxidesabove800x00B0;Ccanlead,inthecaseofunprotectedparts,tocatastrophicoxidationandtolossesindimensions.Electroplatedcoatingsareappliedtomolybdenumtopreventoxidation,topreventseizingandgalling,andtoassistjoiningbysoldering,brazing,anddiffusionbonding.1.1Thispracticecoversaprocedureforpreparingmolybdenumanditsalloysforelectroplating.Theprocedureutilizestechniques,equipment,andchemicalsthatarecommontoelectroplating.Specializedproceduressuchashydrogenheattreatmentandfusedsaltpicklingarenotincluded.Theseandotherprocedurescanbefoundinthereferenceslistedattheendofthispractice.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H63
【国际标准分类号】:77_120_99
【页数】:2P.;A4
【正文语种】:英语
【英文标准名称】:OilofMelaleuca,terpinen-4-oltype(TeaTreeoil)
【原文标准名称】:松油烯-4-醇型白千层油(茶树油)
【标准号】:BSISO4730-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-09-30
【实施或试行日期】:2004-09-30
【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】:香精油;作标记;油;包装件;抽样方法;萜品醇;测试
【英文主题词】:Essentialoils;Marking;Oils;Packages;Samplingmethods;Terpineols;Testing
【摘要】:ThisInternationalStandardspecifiescertaincharacteristicsoftheoilofMelaleuca,terpinen-4-oltype(TeaTreeoil),inordertofacilitateassessmentofitsquality.
【中国标准分类号】:X46
【国际标准分类号】:71_100_60
【页数】:14P;A4
【正文语种】:英语