Глинозем, преимущественно используемый для производства алюминия. Определение содержания титана. Фотометрический метод с применением диантипирилметана
Название (англ.):
Aluminium oxide primarily used for the production of aluminium; Determination of titanium content; Diantipyrylmethane photometric method
Описание (англ.):
Applicable to all products having a titanium dioxide content of equal to or more than 0.001 % (m/m). Describes the preparation of the diantipyrylmethane solution and the preparation of the titanum standardsolution. The procedure of the preparation of a principal solution or the chemical analysis by an alkaline fusion is carried out according to ISO 804 replacing the nitric acid solution by the sulphuric one. After extraction of the fused mass with sulphuric acid solution formation of the titanium-diantipyrylmethane complex (approximately 4.6 N solution). Photometric measurement of the coloured complex at a wavelength of about 420 nm. Has also been approved by the IUPAC. Replaces and cancels ISO Recommendation R 900/1968 of which it constitutes a technical revision.
Дата введения:
01.10.77
Код КГС:
А39
Код ОКСТУ:
1710;1709
Код ОКС(МКС):
71.100.10
Код ОКП:
1710;1709
Нормативные ссылки:
BS 4140 PART 6-1980, EQV*NBN T 03-406-1983, EQV*NF T20-207-1980, EQV
Ключевые слова:
ALUMINIUM ALUMINIUM OXIDE CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING DETERMINATION OF CONTENT PRODUCTION SPECTROPHOTOMETRIC ANALYSIS SPECTROPHOTOMETRY TITANIUM CHEMICAL ANALYSIS AND TESTIN