| ≥1 piece |
|
Name of index |
HG2789-1996 |
FCC-IV |
|
Appearance |
White floating, crystalline powder |
|
|
Content(As Ca)£?% |
34.0??40.0 |
34.0??40.0 |
|
Heavy metal£¨As Pb£?£?% |
≤0.002 |
≤0.0015 |
|
Arsenic (As)£?% |
≤0.0003 |
≤0.0003 |
|
Pb£?% |
--- |
0.0005 |
|
Fluorides£¨As F£?£?% |
≤0.0075 |
≤0.0075 |
|
Loss on heating£¨200??£?£?% |
10.0 |
--- |
|
Loss on ignition£¨800??£?£?% |
--- |
10.0 |
|
Clear grade£? |
Slightly turbid |
--- |