… not more than 85 % of H3BO3 calculated on the dry weight. …
Explanatory notes
… not more than 85 % of H 3 BO 3 calculated on the dry weight. This heading covers only natural borate minerals as … more than 85 % of H 3 BO 3 calculated on the dry weight ( heading 28.10 ). The natural borates classified … borates also known as “natural borax”. (2) Pandermite and priceite , calcium borates. (3) Boracite , magnesium …