Reaktionsgleichung
[Na+].[S:2]([O-:16])(=[O:15])([C:4]1[C:14]2[C:9](=[CH:10][CH:11]=[CH:12][CH:13]=2)[C:7]([NH2:8])=[CH:6][CH:5]=1)=[O:3]>O>[S:2]([OH:16])(=[O:15])([C:4]1[C:14]2[C:9](=[CH:10][CH:11]=[CH:12][CH:13]=2)[C:7]([NH2:8])=[CH:6][CH:5]=1)=[O:3]Komponenten
3
Reagenzien, Katalysatoren, Lösungsmittel 1
Versuchsvorschrift
In a large beaker, add naphthionic acid sodium salt and water and stir to complete solution, pH=9.2-9.4. Slowly add hydrochloric acid, and white precipitation occurs at pH=2.2-2.4. Stir the slurry for at least 4 hours, then filter the slurry. Use the wetcake in Stage 2.
Aufarbeitung
- customSlowly add hydrochloric acid, and white precipitation
- stirringStir the slurry for at least 4 hours
- filtrationfilter the slurry
Quellen und Nachweise
- ORD-Eintrag
- ord-70ff0f8d3e774f309080fa0a6d92b771
- Quelldatensatz
- uspto-grants-2014_03
- Patentnummer
- US08664371B2
Verknüpfte Notizen
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