Chemical analysis of lead. Spectrophotometric determination of copper.
实施日期：1975-02-01
Turmeric -- Determination of colouring power -- Spectrophotometric method
适用范围：Describes a method based on the extraction of the pigments of turmeric with hot ethanol, dilution of the extract and spetrophotometric measurement at the wavelenghth of maximum absorption. The result o...
发布日期：1982-11-01 实施日期：1982-11-01
Chemical analysis of steel and cast iron. Determination of cobalt content. Molecular absorption 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
Steel and cast iron. Determination of copper content. 2,2'-diquinolyl pectrophotometric method.
Chemical analysis of aluminium and aluminium alloys. Determination of magnesium.
实施日期：1966-04-01
Steel and iron -- Determination of vanadium content -- N-BPHA spectrophotometric method
适用范围：The method is applicable to vanadium contents between 0.005 % (m/m) and 0.50 % (m/m). Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report. Annex A gives...
发布日期：1988-12-01 实施日期：1988-12-01
Steel -- Determination of niobium content -- PAR spectrophotometric method
适用范围：The method is applicable to types of steel with niobium contents between 0,005 % (m/m) and 1,3 % (m/m). Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test rep...
发布日期：1988-12-01 实施日期：1988-12-01
Chemical analysis of refractories. Silica materials, silico-argillaceous and argillaceous materials. Determination of phosphorus.
Meat and meat products. Determination of nitrite content (reference method).
实施日期：1974-12-01
Aluminium ores -- Determination of titanium content -- 4,4''-Diantipyrylmethane spectrophotometric method
适用范围：The method is applicable to ores containing between 0,5 and 8 % (m/m) of titanium dioxide. Specifies principle, reagents, apparatus, sampling and samples, procedure, expression of results and test repo...
发布日期：1985-07-01 实施日期：1985-07-01
Chemical analysis of steels. Determination of nitrogen content. Molecular absorption spectrophotometric method.
Copper and copper alloys -- Determination of bismuth content -- Diethyldithiocarbamate spectrometric method
适用范围：The method is applicable to bismuth contents between 0,00005 and 0,02 % (m/m) in all types of copper and copper alloys listed in International Standards. Specifies principle, reagents, apparatus, proce...
发布日期：1984-04-01 实施日期：1984-04-01
Chemical analysis of lead. Colorimetric determination of cadmium.
实施日期：1957-04-01
Chemical analysis of lead. Spectrophotometric determination of antimony.
实施日期：1976-06-01
Sodium carbonate for industrial use. Determination of iron content. 1,10 - Phenanthroline photometric method.
实施日期：1975-07-01
Tobacco and tobacco products -- Determination of maleic hydrazide residues
适用范围：This method is also applicable to the residues from maleic hydrazide sucker control agents used on tobacco crops. Annex A describes optional extra procedure such as acid pre-digestion and carbon clean-...
发布日期：1980-04-01 实施日期：1980-04-01
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