All grades of fluorspar; determination of carbonate content; titrimetric method
Описание (англ.):
Treatment of a test portion with hydrochloric acid solution, absorption of the elevated carbon dioxide and determination of the amount carbondioxide by a backtitration process. Applicable to products having carbonate contents AeCaCO
Заменён стандартами:
ISO 4283(1993.01)
Заменяет стандарты:
ISO 4283(1978.09)
Дата введения:
01.06.90
Дата отмены:
01.01.93
Нормативные ссылки:
ISO 4282-1977*ISO 4793-1980*ISO 565-1983
Ключевые слова:
CARBONATES CHEMICAL ANALYSIS CHEMICAL ANALYSIS AND TESTING DETERMINATION OF CONTENT FLUORSPAR TESTING VOLUMETRIC ANALYSIS CHEMICAL ANALYSIS AND TESTIN