 |
| Menge: | |
|---|---|
DY21657
2650-18-2
220-168-0
C37H36N2O9S3.2H3N
C.I.Acid Blue 9 (C.I.42090)
| Index Name | Specifications |
| Appearance | Blue fine particles |
| Identity | IR-Spectroscopy |
| Strength Dyeing on silk, D.P. | 200% |
| Assay(Total color) | 60% min |
| Ethyl extractable matter | 3.0% max |
| Water | 5.0% max |
| Water insoluble matter | 1.0% max |
| PH Value | 3.5 to 7.5 |
| Cd | 1mg/kg max |
| Pb | 10mg/kg max |
| Hg | 1mg/kg max |
| Cr | 25 mg/kg max |
| As | 1 mg/kg max |
| Mn | 25 mg/kg max |
| Cu | 5 mg/kg max |
| Index Name | Specifications |
| Appearance | Blue fine particles |
| Identity | IR-Spectroscopy |
| Strength Dyeing on silk, D.P. | 200% |
| Assay(Total color) | 60% min |
| Ethyl extractable matter | 3.0% max |
| Water | 5.0% max |
| Water insoluble matter | 1.0% max |
| PH Value | 3.5 to 7.5 |
| Cd | 1mg/kg max |
| Pb | 10mg/kg max |
| Hg | 1mg/kg max |
| Cr | 25 mg/kg max |
| As | 1 mg/kg max |
| Mn | 25 mg/kg max |
| Cu | 5 mg/kg max |