反応式
[OH2:1].[OH2:2].[O-:3][S:4]([O-:7])(=[O:6])=[O:5].[Ca+2:8].S(=O)(=O)(O)[OH:10]>>[O:1]=[O+:2][O-:3].[OH2:10].[OH2:3].[O-:6][S:4]([O-:7])(=[O:5])=[O:3].[Ca+2:8]参加物
4
実験手順
The same phosphogypsum suspension having a whiteness grade equal to 65 was acidified up to pH equal to 3 by using a sulfuric acid solution. After treatment with 500 parts per millions of ozone a phosphogypsum having a whiteness grade equal to 77 was obtained.
出典と根拠
- ORDレコード
- ord-ed87d956b6124abc84e9ecfa1f7e8ce1
- 出典データセット
- uspto-grants-1982_08
- 特許番号
- US04344925
関連ノート
読み込み中…