Chemical analysis of steels. Determination of nitrogen content. Molecular absorption spectrophotometric method.
Chemical analysis of aluminium and aluminium alloys. Spectrophotometric determination of iron.
实施日期：1964-07-01
Chemical analysis of aluminium and aluminium alloys. Spectrophotometric determination of bismuth.
实施日期：1984-12-01
Manganese ores and concentrates -- Determination of phosphorus content -- Extraction-molybdovanadate photometric method
适用范围：The method is applicable to products having phosphorus contents from 0,02 to 0,5 % (m/m). ISO 4293 should be read in conjunction with ISO 4297. Specifies principle, reagents, apparatus, sample, procedu...
发布日期：1982-08-01 实施日期：1982-08-01
Chemical analysis of lead. Colorimetric determination of cadmium.
实施日期：1957-04-01
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
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 magnesium and magnesium alloys. Spectrophotometric determination of zirconium.
实施日期：1984-12-01
Natural mineral phosphates and fertilizers. Spectrophotometric determination of phosphoric anhydride (vanado-molybdenum method).
Chromium ores -- Determination of phosphorus content -- Reduced molybdophosphate photometric method
适用范围：The method is applicable to products having a phosphorus content of 0,002 to 0,1 % (m/m). ISO 6127 should be read in conjunction with ISO 6629. Specifies principle, reagents, apparatus, procedure and e...
发布日期：1981-03-01 实施日期：1981-03-01
Cryolite, natural and artificial -- Determination of silica content -- Reduced molybdosilicate spectrophotometric method
适用范围：Specifies methods of test for natural and synthetic materials having a molar ratio sodium fluoride/aluminium trifluoride between 3 and 1,7 approximately. The method is applicable to products the phosph...
发布日期：1976-09-01 实施日期：1976-09-01
Chemical analysis of zinc alloys for die-casting. Spectrographic determination of tin.
实施日期：1954-01-01
Caprolactam for industrial use -- Determination of colour of 50 % aqueous caprolactam solution, expressed in Hazen units (platinum-cobalt scale) -- Spectrometric method
适用范围：The absorbance of a 50 % aqueous caprolactam solution is spectrometrically measured at a wavelength of 390 nm and an optical path length of 50 mm. The result is expressed in Hazen units by multiplying ...
发布日期：1984-11-01 实施日期：1984-11-01
Chemical analysis of magnesium and magnesium alloys. Spectrophotometric determination of manganese.
实施日期：1984-12-01
Aluminium ores -- Determination of total silicon content -- Combined gravimetric and spectrophotometric method
适用范围：The method is applicable to ores containing between 1 and 25 % (m/m) silicon dioxide. Specifies principle, reagents, apparatus, sampling and preparation of samples, procedure, expression of results and...
发布日期：1985-06-01 实施日期：1985-06-01
Chemical analysis of zinc. Spectrophotometric determination of iron.
实施日期：1967-10-01
Chemical analysis of aluminium and aluminium alloys. Colorimetric determination of zirconium.
实施日期：1959-04-01
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