Алюминий фтористый технический. Определение содержания железа. Фотометрический метод с применением 1,10-фенантролина
Название (англ.):
Aluminium fluoride for industrial use; Determination of iron content; 1,10- Phenanthroline photometric method
Описание (англ.):
The method is applicable to products having a content greater than 0,020 %. The principle consists in dissolution of a test portion by either alkaline or acid fusion. Reduction of the iron(III) by hydroxylammonium chloride. Formation of the iro(II)-1, 10-phenanthroline complex in a buffered medium (pH value between 3,5 and 4,2) Photometric measurement of the coloured complex at a wavelength of about 510 nm.
Дата введения:
01.12.72
Дата отмены:
30.05.02
Код КГС:
Л19
Код ОКСТУ:
2154;2109
Код ОКС(МКС):
71.060.50
Код ОКП:
2154;2109
Нормативные ссылки:
BS 4993 PART 2-1974, NEQ*NBN T 03-438-1983, EQV*NF T20-161-1984, EQV
Ключевые слова:
ALUMINIUM ALUMINIUM HALIDES ALUMINIUM INORGANIC COMPOUNDS CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING DETERMINATION OF CONTENT FLUORIDES HALIDES IRON PHOTOMETRY PHOTOMETRY (CHEMICAL ANALYSIS) ALUMINIUM INO CHEMICAL ANALYSIS AND TESTIN INORGANIC COMPOUNDS SPECTROCHEMICAL ANA