Chlorate de sodium à usage industriel — Détermination de l'humidité — Méthode gravimétrique

The method is applivable to products with a content greater than 0,02% (m/m). It is not applicable to the analysis of mixtures such as herbicides and insecticides. The principle is based on heating of a test portion, spread in form of a thin layer, at 105 °C. Weighing and calculation of the loss of mass by difference before heating and after heating.