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China
Persona de contacto Tao
Dinghai, Jilin
SPEC.(sodium hydrosulfide):
|
Index |
Content |
|||
|
Solid |
Liquid |
|||
|
Assay, % ≥ |
|
*0 |
*0 |
*5 |
|
Sodium sulphide, % ≤ |
|
3.0 |
1 |
1.5 |
|
Sodium sulphite, %≤ |
|
1.5 |
/ |
/ |
|
Fe, % ≤ |
|
0.**3 |
/ |
/ |
|
Sodium carbonate, % ≤ |
|
1 |
/ |
/ |
|
Water-insolubles, %≤ |
|
0.**5 |
/ |
/ |
