Chemical products. Photographic grade chemical products. Sodium sulphite.
Photography -- Processing chemicals -- Specifications for anhydrous sodium thiosulfate and sodium thiosulfate pentahydrate
适用范围:Specifies the purity requirements and describes the test methods for insoluble matter, heavy metals content, iron, alkalinity, acidity, sulfide content, pH value, appearance of solution.
发布日期:1994-04-01 实施日期:1994-04-01
Chemical analysis methods of aluminum hardeners-Part 12:Determination of copper content-Sulfur and sodium titration method
适用范围:本部分规定了铝中间合金中铜含量的测定方法。本部分适用于铝中间合金中铜含量的测定。测定范围:20.0%~70.0%。
发布日期:2012-11-07 实施日期:2013-03-01
Method of Test for Sodium Thiosulfate of Industrial Grade
发布日期:1962-05-16 实施日期:1962-05-16
Methods for chemical analysis of selenium dioxide Part 1:Determination of selenium dioxide content-Sodium thiosulfate titration
发布日期:2009-12-04 实施日期:2010-06-01
Determination of selenium content in selenium--Thiosulfate volumetric method
实施日期:2005-06-01
Sodium hyposulfite for industry use
适用范围: 本标准规定了工业硫化硫酸钠的要求、试验方法、检验规则、标志、标签、包装、运输和贮存。 本标准适用于工业硫代硫酸钠。该产品主要用于纺织、化纤、造纸、制革和农药等工业。 分子式:Na<下标 2>S<下标 2>O<下标 3>·H<下...
发布日期:2006-07-26 实施日期:2007-03-01
Non-ionic surface active agents -- Polyethoxylated derivatives -- Iodometric determination of oxyethylene groups
适用范围:The sample is hydrolyzed by nascent hydroiodic acid. The iodine liberated is titrated with a standard volumetric sodium thiosulfate solution. The method is applicable to the analysis of polyethoxylated...
发布日期:1989-07-31 实施日期:1989-07-31
Chemicals used for treatment of water intended for human consumption. Sodium thiosulfate
实施日期:2012-11-01
Method for Determination of Copper in Ores (Sodium Thiosulfate Titration Method)
发布日期:1981-10-23 实施日期:1981-10-23
Methods for chemical analysis of nickel matte-Determination of copper content-Sodium thiosulphate titrimetric method
发布日期:2007-04-13 实施日期:2007-10-01
Chemicals used for treatment of swimming pool water. Sodium thiosulfate
发布日期:2013-12-31 实施日期:2013-12-31
Chemicals used for treatment of water intended for human consumption - Sodium thiosulfate
适用范围:This European Standard is applicable to sodium thiosulfate used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements of sodium thiosulf...
实施日期:2005-09-01
Method for chemical analysis of nickel base alloy powder-Part 9:Determination of copper content-Thiosulfate iodimetry
发布日期:2009-12-04 实施日期:2010-06-01
Chemicals used for treatment of swimming pool water - Sodium thiosulfate
实施日期:2013-12-01
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