?????: +86-599-6655932
?????: +86-599-6654866
??????: +86-599-6655536
????
??? ??? ??????
|
????：GB/T1276-1999 |
|||
???? |
?? |
||
|
??? |
??? |
??? |
|
??（NH4F） ％≥ |
96.0 |
96.0 |
95.0 |
????? |
?? |
?? |
?? |
????（????? ??）％≤ |
0.005 |
0.02 |
0.05 |
???（NH4HF2? ??）％≤ |
0.2 |
0.5 |
1.0 |
???％≤ |
?? |
?? |
?? |
???（Cl) ％≤ |
0.0005 |
0.005 |
0.01 |
???(SO4? ??％≤ |
0.005 |
0.01 |
0.02 |
???????％≤ |
0.08 |
0.30 |
0.60 |
|
?（Fe) ％≤ |
0.0005 |
0.002 |
0.004 |
???(Pb? ??) ％≤ |
0.0005 |
0.001 |
0.002 |