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ISO 14892-2002 脱脂奶粉.采用高性能液相色谱法测定维生素D的含量

作者:标准资料网 时间:2024-05-28 15:37:50  浏览:8612   来源:标准资料网
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【英文标准名称】:Driedskimmedmilk-DeterminationofvitaminDcontentusinghigh-performanceliquidchromatography
【原文标准名称】:脱脂奶粉.采用高性能液相色谱法测定维生素D的含量
【标准号】:ISO14892-2002
【标准状态】:现行
【国别】:国际
【发布日期】:2002-02
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC34
【标准类型】:()
【标准水平】:()
【中文主题词】:乳制品;牛奶;奶粉;奶粉;化学分析和试验;定义;维生素D;脱脂奶粉;干制食品;液相色谱法
【英文主题词】:Chemicalanalysisandtesting;Dairyproducts;Definition;Definitions;Desiccatedmilk;Driedfoods;Driedmilk;Liquidchromatography;Milk;Skimmilkpowder;VitaminD
【摘要】:ThisInternationalStandardspecifiesamethodforthedeterminationofvitaminDinatestsamplecontainingatleast10μgofvitaminDper100g[equalto400InternationalUnits(IU)ofvitaminDper100g]byusinghigh-performanceliquidchromatography(HPLC).Theresultsofthedeterminationareonlyreliableif,inthecaseofdeterminationofvitaminD3,thetestsamplecontainsonlyvitaminD3,andnovitaminD2(whichwillbeaddedasaninternalstandard)and,inthecaseofdeterminationofvitaminD2,thetestsamplecontainsonlyvitaminD2andnovitaminD3(whichwillbeaddedasaninternalstandard).Thisistobeverifiedbytheprocedurecarriedoutwithouttheadditionoftheinternalstandard(vitaminD2).
【中国标准分类号】:X16
【国际标准分类号】:67_100_10
【页数】:11P;A4
【正文语种】:英语


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基本信息
标准名称:智能沥青混合料转运车
发布日期:
实施日期:2007-04-01
首发日期:
作废日期:
出版日期:
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所属分类: 纺织 针织 针织品 纺织和皮革技术 纺织产品 纺织物
MIL-STD-199E, MILITARY STANDARD: RESISTORS, SELECTION AND USE OF (23 APR 1991) [S/S BY MIL-HDBK-199]., This standard consists of the following:a. Selected standard resistor types, detailed by sections, chosen jointly bythe Departments of the Army, Navy, and Air Force for use in the design andmanufacture of military equipment under the jurisdiction of theDepartments.b. Guides for the choice and application of resistors for use in militaryequipment.Detailed requirements for resistors listed in this standard are covered in theapplicable specification (see 2.1). When it has been determined that circuitrequirements cannot be met by using resistor styles or characteristics listed inthis standard, the design engineer shall, with the approval of the cognizantmilitary activity, select from the applicable resistor specification styles orcharacteristics not listed herein.

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