NF A06-934-1958

锡的化学分析 钴的比色法测定

Chemical analysis of tin. Colorimetric determination of cobalt.

ISO 3980-1977

铝和铝合金 铜含量的测定 原子吸收分光光度法

Aluminium and aluminium alloys -- Determination of copper -- Atomic absorption spectrophotometric method

适用范围：The method is applicable to copper contents between 0,005 and 5 % (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

ISO 6685-1982

工业用化学品 测定铁含量的一般方法 １,１０- 菲罗啉分光光度法

Chemical products for industrial use -- General method for determination of iron content -- 1,10-Phenanthroline spectrophotometric method

适用范围：All the iron(III) present in the test solution is reduced to iron(II) with ascorbic acid. At a pH between 2 and 9 1,10-phenanthroline is added. the measurement of the absorbance of the orange-red compl...

发布日期：1982-07-01  实施日期：1982-07-01

NF A20-604-1987

Iron ores. Determination of lead and/or zinc content. Flame atomic absorption spectrometric method.

ISO 4751-1984

铜和铜合金 锡含量的测定 光谱法

Copper and copper alloys -- Determination of tin content -- Spectrometric method

适用范围：The method is applicable to the determination of tin contents between 0.005 and 0.5 % (m/m) in all types of copper and copper alloys listed in International Standards. A method applicable to the determ...

发布日期：1984-07-01  实施日期：1984-07-01

NF V37-019-1983

烟草和烟草制品 马来酸酰肼残留量的测定

Tobacco and tobacco products. Determination of maleic hydrazide residues.

NF A06-574-1966

铝和铝合金的化学分析 钛的分光光度测定

Chemical analysis of aluminium and aluminium alloys. Spectrophotometric determination of titanium.

实施日期：1966-04-01

NF V05-115-1972

水果和蔬菜制品 山梨酸含量的测定

Products derived from fruits and vegetables. Determination of sorbic acid content.

实施日期：1972-09-01

NF V32-156-1982

姜黄 染色能力的测定 分光光度法

Spices and condiments. Turmeric. Determination of colouring power. Spectrophotometric method.

实施日期：1982-06-01

ISO 4939-1984

钢和铸铁 镍含量的测定 丁二酮肟分光光度法

Steel and cast iron -- Determination of nickel content -- Dimethylglyoxime spectrophotometric method

适用范围：The method is applicable to different nickel contents. Cobalt, copper and manganese may cause interferences. Specifies principle, reagents, apparatus, sampling, procedure, expression of results and tes...

发布日期：1984-12-01  实施日期：1984-12-01

NF T31-012-1972

铬酸钡基颜料

Barium chromate pigments.

实施日期：1972-09-01

NF A06-609-1966

镁和镁合金的化学分析 锌的测定

Chemical analysis of magnesium and magnesium alloys. Determination of zinc.

实施日期：1966-04-01

ISO 5378-1978

淀粉和淀粉. 用凯式法测定氮含量. 分光光度法

Starches and derived products -- Determination of nitrogen content by the Kjeldahl method -- Spectrophotometric method

适用范围：Destruction of organic matter by sulphuric acid in the presence of a compound catalyst (see ISO 1871), alkalization of the reaction products, destillation of the liberated ammonia and collection in a s...

发布日期：1978-06-01  实施日期：1978-06-01