面议
项目 |
GB 1886.329-2021 |
FCC-V |
E339(ii) |
||
01 |
外观 |
白色,晶状粉末或颗粒 |
|||
02 |
含量(以干基计),w/%≥ |
98.0 |
98.0 |
98.0 |
|
03 |
干燥减量% |
无水≤ |
5.0 |
5.0 |
5.0 |
二水≤ |
18.0-22.0 |
18.0-22.0 |
22.0 |
||
十二水≤ |
61.0% |
61.0 |
|||
04 |
水不溶物,w/%≤ |
0.2 |
0.2 |
0.2 |
|
05 |
氟(F)/(mg/kg)≤ |
50.0 |
50.0 |
10 |
|
06 |
铅(Pb)/(mg/kg)≤ |
4.0 |
4.0 |
1.0 |
|
07 |
砷(As)/(mg/kg)≤ |
3.0 |
3.0 |
1.0 |
|
08 |
重金属(以Pb计)≤ |
10 |
-- |
-- |
|
09 |
汞/(mg/kg)≤ |
-- |
-- |
1.0 |
|
10 |
P2O5含量% |
-- |
-- |
49-51 |
|
11 |
镉/(mg/kg)≤ |
-- |
-- |
1.0 |
|
12 |
PH |
-- |
-- |
8.4-9.6 |