Soft soldering fluxes. Test methods. Determination and detection of halide (excluding fluoride) content
适用范围:This part of ISO 9455 specifies three quantitative methods for the determination of the ionic halide (ex-cluding fluoride) content of soldering fluxes. Halides are calculated as chlorides. A useful qua...
Surface active agents and detergents--Determination of anionic-active matter by direct two-phase titration procedure
适用范围:本标准规定了测定阴离子表面活性剂和洗涤剂中阴离子活性物的两相滴定法。 本标准适用于分析烷基苯磺酸盐、烷基磺酸盐、烷基硫酸盐、烷基羟基硫酸盐、烷基酚硫酸盐、脂肪醇甲氧基及乙氧基硫酸盐和二烷基琥珀酸酯磺酸盐,以及...
发布日期:1995-12-08 实施日期:1996-08-01
Ferrovanadium - Determination of vanadium content - The ammonium ferrous sulfate titrimetric method and the potentiometric titrimetric method
适用范围:GB/T 8704的本部分规定了用硫酸亚铁铵滴定法和电位滴定法测定钒铁中的钒量。 本部分适用于钒铁中钒含量的测定,测定范围(质量分数) :35.00%~85.00%。
发布日期:2007-09-11 实施日期:2008-02-01
实施日期:2012-04-01
Methods for chemical analysis of tin-lead solders--Determination of bismuth content
适用范围:本部分规定了锡铅焊料中铋含量的测定方法。本部分适用于锡铅焊料中铋含量的测定。测定范围(质量分数):0.003%~0.25% 。
发布日期:2003-03-11 实施日期:2003-08-01
Methods for chemical analysis of bauxite-Determination of aluminium oxide content-EDTA titrimetric method
实施日期:2000-04-01
Chemical analysis of chromium ores. Determination of iron oxide. Titrimetric method.
实施日期:1976-12-01
Aluminium ores -- Determination of aluminium content -- EDTA titrimetric method
适用范围:The method is applicable to products having aluminium contents, expressed as aluminium oxide, in the range 30 to 65 % (m/m). Specifies principle, reagents, apparatus, sampling and samples, procedure, e...
发布日期:1986-04-01 实施日期:1986-04-01
Measurement of coating thickness; determination of the mass per unit area of zinc and tin-coatings on ferrous materials by dissolution of the coating material; volumetric method
适用范围:This standard describes methods for the determination of the mass per unit area of zinc- and tin-coatings on ferrous materials by dissolution of the coating material.
Sampling and Analysis of Nickel,Ferronickel and Nickel Alloys Part 8:Method for Determination of Sulphur in Nickel,Ferronickel and Nickel Alloys by Iodimetric After Induction Furnace Combustion
适用范围:For a sulphur content of nickel and ferronickel in the range 0.001% to 0.3% (m/m) and of nickel alloys in the range 0.002% to 0.1% (m/m).
实施日期:1986-01-01
Water quality -- Determination of sodium and potassium -- Part 1: Determiatnion of sodium by atomic absorption spectrometry
适用范围:この規格はフレーム原子吸光法による溶存ナトリウムの定量法について規定する。この規格は原水を分析することを意図したものである。この規格は5~50 mg/lのナトリウムの水試料に適用可能である。この範囲は8.で規定されている倍数と異なる希釈倍数を用いた場合には低く又は高くすることも可能である。
Solid waste--Determination of total chromium--Titrimetric method
适用范围:本标准规定了测定固体废物浸出液中总铬的硫酸亚铁铵滴定法。 本标准方法适用于固体废物浸出液中总铬的测定,方法也可测定水和废水中的总铬。 方法的定量下限为1mg/mL。 钒对测定有干扰,除钒渣浸出液外一般浸出液中钒的...
发布日期:1995-03-28 实施日期:1996-01-01
Water quality - Determination of alkalinity - Part 1 : determination of total and composite alkalinity.
Method of test for nitrous acid content in concentrated nitric acid--Volumetry
实施日期:1984-11-01
Non-ionic surface active agents. Determination of cloud point index. Volumetric method
适用范围:This International Standard specifies a volumetric method for the determination of the cloud point index of non-ionic surface active agents.
Ferrotungsten - Determination of sulfur content - Infrared absorption method and combustion titration method
适用范围:本部分规定了用红外线吸收法和燃烧中和滴定法测定硫含量。 本部分适用于钨铁中硫含量测定,红外线吸收法的测定范围:0.0050%~0.25%;燃烧中和滴定法的测定范围(质量分数):0.0050%~0.25%。
发布日期:2008-05-13 实施日期:2008-11-01
Chemical tests for raw and vulcanized rubber Part 24:Determination of free sulfur ISO 7269:1995;
适用范围:1 This International Standard specifies three methods for the determination of free sulfur in vulcanized rubber: two versions of the copper spiral method, and the sodium sulfite metho...
实施日期:1996-05-15
实施日期:1996-11-15
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