|
Item |
Standard |
|
Appearance |
White crystals |
|
Content(NH2SO3H) % ≥ |
99.5% |
|
Sulfate (SO4) %≤ |
0.05% |
|
Non-soluble in water %≤ |
0.01% |
|
Loss on drying % |
0.05 |
|
Item |
Standard |
|
Appearance |
White crystals |
|
Content(NH2SO3H) % ≥ |
99.5% |
|
Sulfate (SO4) %≤ |
0.05% |
|
Non-soluble in water %≤ |
0.01% |
|
Loss on drying % |
0.05 |