This standard establis es the test methods for the determination of technological humidity, residue on the sieve, analytical humidity, loss on ignition, silicon dioxide, oxides of the ammoniacal group, ferric oxide, titanium dioxide, aluminum oxide, oxide of potassium and sodium oxide, calcium oxide and magnesium oxide in all types of silica sand, whose Si02 content is not less than 98%.
NC 44-18-1970 history
1984NC 44-18-1984 Ores Silica Sand Chemical Analysis