ANSI/AHRI 210/240-2009 单元式空调和空气源单元热泵设备

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【英文标准名称】:Determinationofsilverinsilverjewelleryalloys-Volumetric(potentiometric)methodusingpotassiumbromide(ISO11427:1993,includesCorr.1:1994)(includesEN31427:1994/AC:1994);GermanversionEN31427:1994
【原文标准名称】:银珠宝合金中银的测定.溴化钾容量(电势测定)测定法(ISO11427:1993、包括修改件1:1994)(包括EN31427:1994/AC:1994);德文版本EN31427:1994
【标准号】:DINEN31427-1995
【标准状态】:现行
【国别】:德国
【发布日期】:1995-04
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电位测量法;容量分析;银合金;合金;银;珠宝;溴化钾;检定;含量测定;化学分析和试验;测定
【英文主题词】:Alloys;Assay;Chemicalanalysisandtesting;Determination;Determinationofcontent;Jewellery;Potassiumbromide;Potentiometricmethods;Silver;Silveralloys;Testing;Volumetricanalysis
【摘要】:Thedocumentdescribesavolumetricmethodforthedeterminationofsilverinjewelleryalloys,preferablywithintherangeoffinenessstatedinISO9202.Thesealloysmaycontaincopper,zinc,cadmiumandpalladium.Apartfrompalladium,whichmustbeprecipitatedbeforecommercingtitration,theseelementsdonotinterferewiththismethodofdetermination.#,,#
【中国标准分类号】:H15
【国际标准分类号】:39_060
【页数】:4P.;A4
【正文语种】:德语


Product Code:SAE AMS4185
Title:Filler Metal, Aluminum Brazing 12Si (4047)
Issuing Committee:Ams D Nonferrous Alloys Committee
Scope: This specification covers an aluminum alloy in the form of wire, sheet, foil, pig, grains, shot, and chips.This material has been used typically for joining aluminum by brazing, particularly by molten flux (dip) brazing procedure, but usage is not limited to such applications.
Rationale: This specification covers an aluminum alloy in the form of wire, sheet, foil, pig, grains, shot, and chips.This material has been used typically for joining aluminum by brazing, particularly by molten flux (dip) brazing procedure, but usage is not limited to such applications.