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.
ISO 2200:1972Stage: 95.99
Got a question?
Check out our FAQs
+41 22 749 08 88
Monday to Friday - 09:00-12:00, 14:00-17:00 (UTC+1)
Keep up to date with ISO
Sign up to our newsletter for the latest news, views and product information.