[C:1]([OH:13])(=[O:12])[CH2:2][C:3]([CH2:8][C:9]([OH:11])=[O:10])([C:5]([OH:7])=[O:6])[OH:4].O=[Al-:15]=O.[Na+]>>[C:1]([O-:13])(=[O:12])[CH2:2][C:3]([CH2:8][C:9]([O-:11])=[O:10])([C:5]([O-:7])=[O:6])[OH:4].[Al+3:15]To the amine in the sodium aluminate example above, citric acid was added to bring the pH to the range of 7.5-9. The control did not require any acid addition.
Wird geladen…