BS 2690-104:1983

BS 2690-104:1983

November 1983
Standard Current

Methods of testing water used in industry - Silica: reactive, total and suspended

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.

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Main informations

Collections

BSI English standards

Publication date

November 1983

Number of pages

12 p.

Reference

BS 2690-104:1983

ICS Codes

13.060.25   Water for industrial use
13.060.50   Examination of water for chemical substances

Print number

1
Sumary
Methods of testing water used in industry - Silica: reactive, total and suspended

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.
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