Sulphur Black

Specifications
1.Sulphur Black 1326-82-5
2.appearance: Black powder leuco or fine-grained.Slightly in water.Soluble in sodium sulfide solution into a drak green leuco.Soluble in hot concentrated sulfuric acid was green blue ,black precipitate diluted generated.
3.used dyeing on cotton, cambric, cambrican
|
Name |
Black sulphur | |
|
Specification |
Strenghth |
Same as standard |
|
Shade |
0.2% max | |
|
Moisture |
4.1% max | |
|
Degree of fineness |
5% max | |
|
Solublity |
30G/L | |
