ISO 2461:1973 Preview
Sodium chlorate for industrial use -- Determination of matter insoluble in water
This standard was last reviewed and confirmed* in 2013.
*Therefore this version remains current
The method is applicable to the analysis of products with a content greater than 0,01 % (m/m). The method is not applicable to mixtures based on sodium chlorate, such as herbicides and insecticides. The test portion is dissolved in water. Filtration of the resultant solution through a filter crucible. Washing, drying and weighing of the residue.