Aslo can be used in purify the dilute nitric acid to aquafortis because of the water absorption in the process.

也可用于稀硝酸提纯生产浓硝酸，主要在生产过程中起到吸水作用。

youdao

Aslo can be used in purify the dilute nitric acid to aquafortis because of the water absorption in the process.

也可用于稀硝酸提纯生产浓硝酸，主要在生产过程中起到吸水作用。

youdao