The cement is dissolved in hydrochloric acid and the insoluble matter separated by double dehydration and filtration. Silicon dioxide is determined gravimetrically in this residue and in the ammonium hydroxide group.
Số hiệu tiêu chuẩn
SANS 5735:1971*SABS SM 735:1971
Tên tiêu chuẩn
Silicon dioxide content of cement and calcined argillaceous material
Ngày phát hành
1971-06-10
Tiêu chuẩn liên quan
SABS SM 737
Từ khóa
CEMENTS * DETERMINATION OF CONTENT * GRAVIMETRIC ANALYSIS * SILICON DIOXIDE * Cements * Gravimetric analysis * Determination of content * Silicon dioxide
SANS 5735:1971*SABS SM 735:1971
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