Abstract / scope
Dissolution of the test portion in water by boiling. Separation of any matter undissoved by filtration under vacuum. Drying in an oven, controlled at a temperature of (110 5) 0C, and weighing, Replaces ISO Recommendation R 850/1968.
ISO 850:1976Withdrawn
Sodium tripolyphosphate for industrial use — Determination of matter insoluble in water
Tripolyphosphate de sodium à usage industriel — Détermination de l'insoluble dans l'eau