Chemical analysis of steel and cast iron. Determination of titanium content. Spectrophotometric method.
Aluminium and aluminium alloys -- Determination of titanium content -- Diantipyrylmethane photometric method
适用范围：The method is applicable to products having titanium contents between 0,003 and 0,3 % (m/m). Specifies principle and procedure of the method, reagents, apparatus, sampling, expression of results and te...
发布日期：1981-02-01 实施日期：1981-02-01
Chemical analysis of copper containing not less than 99,90 per cent copper. Determination of copper.
实施日期：1966-04-01
Meat and meat products. Determination of nitrate content (reference method).
实施日期：1974-12-01
Steel and cast iron -- Determination of total silicon content -- Reduced molybdosilicate spectrophotometric method -- Part 1: Silicon contents between 0,05 and 1,0 %
适用范围：Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report. Annex A gives additional information on the international co-operative tests. Annex B represents th...
发布日期：1986-11-01 实施日期：1986-11-01
Aluminium and aluminium alloys -- Determination of nickel -- Atomic absorption spectrophotometric method
适用范围：The method is applicable to nickel contents between 0,005 and 3 % (m/m). Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report.
发布日期：1977-02-01 实施日期：1977-02-01
Aluminium ores -- Determination of phosphorus content -- Molybdenum blue spectrophotometric method
适用范围：The method is applicable to materials having phosphorus contents, expressed as diphosphorus pentoxide between 0,01 and 5 % (m/m). The arsenic content of the sample does not affect the determination. Sp...
发布日期：1986-04-01 实施日期：1986-04-01
Surface active agents. Detergents. Anionic surface active agents. Determination of biodegradability.
Ethanol for industrial use -- Methods of test -- Part 7: Determination of methanol content (methanol contents between 0,01 and 0,20 % (V/V)) -- Photometric method
适用范围：The principle is based on the conversion of methanol present in a test portion to formaldehyde by oxidation. The oxidation is carried out with a solution of potassium permanganate in phosphoric acid. R...
发布日期：1981-11-01 实施日期：1981-11-01
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
Aluminium oxide primarily used for the production of aluminium -- Determination of vanadium content -- N-Benzoyl-N-phenylhydroxylamine photometric method
适用范围：The method is applicable to products having vanadium contents between 0,0003 % (m/m) and 0,016 % (m/m), provided that the content of chromic oxide and titanic oxide does not exceed 0,002 % (m/m) and 0,...
发布日期：1976-09-01 实施日期：1976-09-01
Leathers and hides. Chemical testing of leather. Determination of chromium in soluble substances (spectrophotometric method).
Chemical analysis of ammonium sulphate for technical use. Spectrophotometric determination of iron.
Aluminium oxide primarily used for the production of aluminium -- Determination of silica content -- Reduced molybdosilicate spectrophotometric method
适用范围：The method is applicable to products having a silica content between 0.005 % (m/m) and 0.025 % (m/m) provided that the content of phosphorus pentoxide plus vanadium pentoxide does not exceed 0.02 % (m/...
发布日期：1976-09-01 实施日期：1976-09-01
Textiles. Tests of fibres. Method of determining the quantity of cysteic acid contained in hydrolysates of wool by electrophoresis on paper and spectrophotometry.
实施日期：1973-12-01
Black pepper and white pepper, whole or ground -- Determination of piperine content -- Spectrophotometric method
适用范围：Describes a method based on a number of international collaborative studies carried out over a long period of time. The method seeks to optimize a number of variables in an attempt to define procedures...
发布日期：1982-11-01 实施日期：1982-11-01
Chemical analysis of magnesium and magnesium alloys. Spectrophotometric determination of iron.
实施日期：1984-12-01
Chemical analysis of steel and cast iron. Spectrophotometric determination of manganese.
Chemical analysis of copper and its alloys. Spectrophotometric determination of silicon.
实施日期：1970-03-01
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