NAME: Boric acid
|
Item |
Index |
||
|
Prime |
First |
Qualified |
|
|
Boric acid ( H3BO3)content ≥ |
99.6-100.8 |
99.4-100.8 |
99.0 |
|
water-fast substances ≤ |
0.010 |
0.040 |
0.060 |
|
Sulphate( SO4 ) ≤ |
0.10 |
0.20 |
0.30 |
|
Oxide( CI) ≤ |
0.050 |
0.10 |
0.15 |
|
Ferrum ( Fe) ≤ |
0.0020 |
0.0030 |
0.0050 |
