Methods for chemical analysis of silver separating residue from lead smelting-Part 7:Determination of arsenic content-Inductively coupled plasma atomic emission spectrometry
适用范围:本文件规定了铅冶炼分银渣中砷含量的测定方法。本文件适用于铅冶炼分银渣中砷含量的测定。测定范围:0.20%~20.00%。
发布日期:2021-12-02 实施日期:2022-04-01
Verfahren zur Probenahme und Analyse von Zinn und Zinnlegierungen. Bestimmung der hohen Cadmium-Anteile bei Weichloten Methods for the sampling and analysis of tin and tin alloys-Part 21:Determination ...
适用范围:Describes a procedure for determining cadmium content in various soft solder alloys. The procedure is one giving reliable and reproducible results and is intended for referee analyses, although more co...
实施日期:1983-10-31
Nickel, ferronickel and nickel alloys -- Determination of sulfur content -- Infra-red absorption method after induction furnace combustion
适用范围:Applies to the determination of sulfur content of nickel and ferronickel in the range 0,001 to 0,3 % (m/m), and of nickel alloys in the range 0,001 to 0,1 % (m/m). Specifies principle, reagents and mat...
发布日期:1985-12-01 实施日期:1985-12-01
Method for chemical analysis of high purity tellurium - Determination of sodium,magnesium,aluminum,chromium,iron,nickel,copper,zinc,selenium,silver,tin,lead,bismuth contents - Inductively coupled plasm...
适用范围:本标准规定了高纯碲中钠、镁、铝、铬、铁、镍、铜、锌、硒、银、锡、铅、铋量的测定方法。 本标淮适用于髙纯碲中钠、镁、铝、铬、铁、镍、铜、锌、硒、银、锡、铅、铋量的测定。测定范围: 0.000 05%〜0.000 20%。
发布日期:2014-10-14 实施日期:2015-04-01
Methods for elementary analysis of precious alloy—Determination of magnesium content—EDTA complexometric titration
发布日期:2006-05-25 实施日期:2006-12-01
Methods for chemical analysis of aluminium and aluminium alloys—Part 35:Determination of tungsten content—Thiocyanate spectrophotometric method
适用范围:GB/T 20975的本部分规定了硫氯酸盐分光光度法测定铝及铝合金中钨含量。本部分适用于铝及铝合金中钨含量的仲裁测定,硫氰酸盐分光光度法测定范围:0.15%~5.00%。本部分不适用于含钨质量分数大于0.005 0%的铝及铝合金。
发布日期:2020-06-02 实施日期:2021-04-01
Methods for chemical analysis of zinc concentrate roasting-Part 5:Determination of iron content-Na<sub>2</sub>EDTA titrimetric method
适用范围:本部分规定了锌精矿焙砂中铁量的测定方法。本部分适用于锡量<0.40%的锌精矿焙砂中铁量的测定。测定范围:2.00%~20.00%。
发布日期:2016-07-11 实施日期:2017-01-01
Chemical analysis of steel and cast iron. Determination of cobalt content. Molecular absorption spectrophotometric method.
Steel and iron - Determination of titanium content - Diantipyrylmethane spectrophotometric method (ISO 10280:1991); German version EN ISO 10280:1995
适用范围:The document specifies a method of determination of titanium content in steel and iron with the diantipyrylmethane spectrophotometric method.
Aluminium and aluminium alloys -- Determination of titanium -- Spectrophotometric chromotropic acid method
适用范围:The method is applicable to products having titanium contents between 0,005 and 0,3 % (m/m). However, the method is not applicable completely to alloys having silicon contents higher than 1 % (m/m) (se...
发布日期:1978-12-01 实施日期:1978-12-01
Precious metals and alloys-Preparation method for metallographic samples
发布日期:2006-05-25 实施日期:2006-12-01
Ferroboron—Determination of sulfur content—Infrared absorption method
适用范围:本部分规定了红外线吸收法测定硼铁中硫含量的方法。 本部分适用于硼铁中硫含量的测定。测定范围(质量分数):0.002 0%~0.025%。
发布日期:2020-03-06 实施日期:2020-07-01
The methods for chemical analysis of zinc and zinc alloys--The determination of lanthanum and cerium contents--The tri-bromide arsenazo spectrophoto-metric method
适用范围:本部分规定了锌及锌合金中镧、铈含量的测定方法。 本部分适用于锌及锌合金中镧、铈含量的测定。测定范围:0.0050%~0.20%。
发布日期:2004-04-30 实施日期:2004-10-01
Methods for chemical analysis of aluminium and aluminium alloys-Part 6:Determination of cadmium content
适用范围:本部分规定了火焰原子吸收光谱法和Na2 EDTA滴定法测定铝及铝合金中镉含量。 本部分适用于铝及铝合金中镉含量的仲裁测定。火焰原子吸收光谱法测定范围:0.010%~0.60%;Na<sub>2</sub>EDTA滴定法测定范围:3.50%~12.00%
发布日期:2020-09-29 实施日期:2021-08-01
Chemical analysis of ferrous materials. Determination of niobium in steels. Spectrophotometric method.
实施日期:1989-05-31
Determination of selenium content in tellurium--2,3-diaminonaphthalene absorption photometric method
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