Specification : GB1613-93 GB653-94
|
StandardGB/T1613-93 |
Value | ||||
|
Item |
Chemical purity |
Premium grade |
first grade |
Salable product | |
|
BaNO3)2(dry),% |
min |
99.0 |
99.3 |
99.0 |
98.0 |
|
Moisture,% |
max |
---- |
0.05 |
0.10 |
0.10 |
|
Insoluble substance in water,% |
max |
0.02 |
0.05 |
0.10 |
0.15 |
|
Chloride(BaCl),% |
max |
0.001 |
0.05 |
---- |
---- |
|
Fe,% |
max |
0.001 |
0.001 |
0.003 |
0.005 |
|
Pb,% |
max |
0.001 |
---- |
---- |
---- |
|
PH |
5.0-7.0 |
5.0-8.0 |
---- |
---- | |

