Кислота серная техническая. Определение содержания мышьяка. Фотометрический метод с применением диэтилдитиокарбамата серебра
Название (англ.):
Sulphuric acid for industrial use; Determination of arsenic content; Silver diethyldithiocarbamate photometric method
Описание (англ.):
Describes a method applicable to products having aresenic contents equal to or greater than 0,1 mg/kg. As far as principle, the reagents and apparatus to be used are concerned, reference is made to ISO 2590, with some modifications added. For example, the reduction of arsenic by zinc is carried out in sulphuric acid medium. Provides information on the expression of results and the particulars to be included in the test report. Theannex lists ISO publications covering the same subject.
Дата регистрации:
01.09.78
Дата введения:
01.08.78
Дата отмены:
30.05.02
Код КГС:
Л19
Код ОКСТУ:
2121;2109
Код ОКС(МКС):
71.060.30
Код ОКП:
2121;2109
Нормативные ссылки:
NBN T 03-026-1979, EQV*NF T20-298-1982, EQV*NP-1694-1980, EQV
Ключевые слова:
ARSENIC CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING DETERMINATION OF CONTENT DIETHYLDITHIOCARBAMATES SILVER SILVER DIETHYLDITHIOCARBAMATE SPECTROPHOTOMETRIC ANALYSIS SPECTROPHOTOMETRY SULPHURIC ACID CHEMICAL ANALYSIS AND TESTIN SULPHUR ORGANIC COMPOUNDS