AENOR UNE 55550:1978 Surface agents. Sodium tripolyphosphate and pyrophosphate used as raw materials for formula detergents. Granulometric analysis by mechanical sieving.
1978AENOR UNE 55550:1978 Surface agents. Sodium tripolyphosphate and pyrophosphate used as raw materials for formula detergents. Granulometric analysis by mechanical sieving.