Methods of testing water used in industry. Silica: reactive, total and suspended.
NORM herausgegeben am 30.11.1983
Bezeichnung normen: BS 2690-104:1983
Ausgabedatum normen: 30.11.1983
Zahl der Seiten: 12
Gewicht ca.: 36 g (0.08 Pfund)
Land: Britische technische Norm
Kategorie: Technische Normen BS
Reactive silica by formation of molybdosilicic acid, reduction to molybdenum blue and spectrophotometric measurement. Applicable to up to 50 µg of SiO2 in up to 100 ml. Total silica by prior fusion to reactive silica. Applicable to up to 50 µg of SiO2 in up to 50 ml. Suspended silica by prior filtration and fusion. Applicable to up to 50 µg of SiO2 in up to 1 L. Status: Confirmed