Method for determination of isothiocyanatesin feeds
发布日期:1991-07-15 实施日期:1992-04-01
Chemical analysis of manganese ores. Polarographic and gravimetric determination of zinc.
实施日期:1966-01-01
Rapeseed -- Determination of glucosinolates content -- Part 1: Method using high-performance liquid chromatography
适用范围:The method specified is based on extraction by methanol, purification and enzymatic desulfatation, determination using reversed-phase chromatography. Does not determine glucosinolates which are substit...
发布日期:1992-07-01 实施日期:1992-07-01
Sponge titanium,titanium and titanium alloys--Determination of molybdenum content--Thiocyanate differential spectrophotometric method
适用范围:本标准规定了钛合金中钼含量的测定方法。 本标准适用于钛合金中钼含量的测定。测定范围:30.00%~34.00%。
发布日期:1996-11-04 实施日期:1997-04-01
Iron, steel and alloy - Determination of molybdenum content - The thiocyanate spectrophotometric method
适用范围:GB/T 223的本部分规定了用硫氰酸盐直接光度法和用硫氰酸盐-乙酸丁酯萃取分光光度法测定钼含量。 本部分方法一适用于中低合金钢、高温合金钢和精密合金中质量分数为0.10%~2.00%钼含量的测定;本部分方法二适用于生铁、碳钢...
发布日期:2008-05-13 实施日期:2008-11-01
Verfahren zur Probenahme und Analyse von Zinn und Zinnlegierungen. Verfahren zur Silberbestimmung in Lot (volumetrisch:Ammoniumthiocyanatverfahren) Method for The determination of silver in solders (Vo...
适用范围:Describes the reagents required, recommended methods of sampling and test procedure for the determination of silver in solders having a silver content up to 3 per cent.
实施日期:1961-02-17
Methods for chemical analysis of high purity aluminum--The diantipyrylmethane-thiocyanate photometric method for the determination of titanium content
Photography -- Processing chemicals -- Specifications for potassium thiocyanate
发布日期:1996-10-01 实施日期:1996-10-01
实施日期:2001-08-01
Chemical analysis methods of high purity aluminum—Part 3:Determination of titanium content by diantipyrylmethane-thiocyanate photometric method
发布日期:2008-03-12 实施日期:2008-09-01
Chemical reagent - Potassium thiocyanate
适用范围:本标准规定了化学试剂中硫氰酸钾的性状、规格、试验、检验规则和包装及标志。本标准适用于化学试剂中硫氰酸钾的检验。
发布日期:2011-05-22 实施日期:2011-12-01
Photography. Processing chemicals. Specification for potassium thiocyanate
适用范围:This International Standard establishes criteria for the purity of photographic-grade potassium thiocyanate and specifies the test methods to be used to determine the purity.
Nickel base alloy powder--Determination of molybdenum content--Thiocyanate spectrophotometric method
实施日期:1989-01-01
Methods for chemical analysis of crude lead--The fire assay-gravimetric method for the determination of gold content and potassium thiocyanate volumetric method for the determination of silver conten...
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