BS EN 12014-2-1997 食品.硝酸盐和/或亚硝酸盐含量测定.蔬菜和蔬菜制品中硝酸盐含量的测定.HPLC/IC法

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【英文标准名称】:Foodstuffs-Determinationofnitrateand/ornitritecontent-HPLC/ICmethodforthedeterminationofnitratecontentofvegetablesandvegetableproducts
【原文标准名称】:食品.硝酸盐和/或亚硝酸盐含量测定.蔬菜和蔬菜制品中硝酸盐含量的测定.HPLC/IC法
【标准号】:BSEN12014-2-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-08-15
【实施或试行日期】:1997-08-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:再现性;试样制备;蔬菜;液相色谱法;食品;食品检验;硝酸盐;化学分析和试验;色谱法;蔬菜汁;含量测定;亚硝酸盐;文献索引
【英文主题词】:
【摘要】:ThisEuropeanStandardspecifiesahighperformanceliquidchromatography(HPLC)/ion-exchangehighperformanceliquidchromatography(IC)methodforthedeterminationofnitratecontentsofvegetablesandvegetableproducts.Thismethodisapplicabletonitratecontentsintherangeof50mg/kgto3000mg/kg.
【中国标准分类号】:X04
【国际标准分类号】:67_080_20
【页数】:18P;A4
【正文语种】:英语


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【英文标准名称】:StandardSpecificationforMetal-Arc-WeldedSteelPipeforUseWithHigh-PressureTransmissionSystems
【原文标准名称】:高压输送用金属弧焊钢管的标准规范
【标准号】:ASTMA381-1996(2005)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:A01.09
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:凸版印刷;传输系统;公共寻址系统;金属弧焊;钢;管;压力;管道;焊接的;压力管
【英文主题词】:arcweldedsteelpipe;steelpipe
【摘要】:1.1Thisspecificationcoversstraightseam,double-submerged-arc-weldedsteelpipe(Note1)suitableforhigh-pressureservice,16in.(406mm)andlargerinoutsidediameter,withwallthicknessesfrom5/16to11/2in.(7.9to38mm).Thepipeisintendedforfabricationoffittingsandaccessoriesforcompressororpump-stationpiping.Pipeorderedtothisspecificationshallbesuitableforbending,flanging(vastoning),corrugating,andsimilaroperations.Note1-AcomprehensivelistingofstandardizedpipedimensionsiscontainedinANSIB36.10.Note2-Theterm"doublewelded"iscommonlyusedinthegasandoiltransmissionindustry,forwhichthispipeisprimarilyintended,toindicateweldingwithatleasttwoweldpasses,ofwhichoneisontheoutsideofthepipeandoneontheinside.Forsomesizesofthepipecoveredbythisspecification,itbecomesexpedienttousemanualwelding,inwhichcasetheprovisionsofNote3shallbefollowed.1.2Nineclassesofpipe,basedonminimumyieldpointrequirements,arecoveredasindicatedinTable1.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Themetricequivalentsofinch-poundunitsmaybeapproximate.1.4Thefollowinghazardcaveatappliestothetestmethodsportion,Sections9and10,only.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H48
【国际标准分类号】:23_040_10
【页数】:5P.;A4
【正文语种】:


Product Code:SAE AS85049/32
Title:Connector Accessories, Electrical, Backshell, Nonenvironmental, 90掳, Shielded Termination, Category 3C (For MIL-DTL-38999 Series I and II Connectors)
Issuing Committee:Ae-8c1 Connectors Committee
Scope:Scope unavailable.