Numéro de référence
ISO 2200:1972
ISO 2200:1972
© ISO 2024
ISO 2200:1972
Bicarbonate de sodium à usage industriel — Détermination de l'humidité — Méthode gravimétrique
Edition 1
1972-06
1972-06
Annulée
Résumé
The method is applicable to products having a content greater than 0,1 % (m/m). The principle consists heating the test protion, distributed in a thin layer, at 250 °C to constant mass. The water and of carbon dioxide, corresponding to the decomposition of sodium hydrogen carbonate into sodium carbonate.