| 質(zhì)量指標(biāo) |
Specification |
GB1886.4-2020 |
| 總磷酸鹽（以P2O5計(jì)），w/%?? ???≥ |
Content of general phosphates (as P2O5),w/%? ≥ |
67.0 |
| 非活性磷酸鹽（以P2O5計(jì)），w/% ?≤ |
Content of inactive phosphates (as P2O5),w/% ≤ |
7.5 |
| pH值（10g/L溶液） |
pH value(10g/L Solution ) |
5.0-7.5 |
| 灼燒減量，w/%?????????????? ≤ |
Loss on Ignition,w/%???????????????????? ≤ |
1.0 |
| 鐵（Fe），mg/kg??????????????? ≤ |
Iron (Fe),mg/kg???????????????????????? ≤ |
200 |
| 砷（As），mg/kg??????????????? ≤ |
Arsenic (As),mg/kg????????????????????? ≤ |
3.0 |
| 重金屬（以Pb計(jì)），mg/kg??????? ≤ |
Heavy metal (as Pb),mg/kg??????????????? ≤ |
10 |
| 鉛（Pb），mg/kg??????????????? ≤ |
Lead (Pb),mg/kg??????????????????????? ≤ |
4.0 |
| 氟化物（以F計(jì)），w/%????????? ≤ |
Fluoride (as F),w/%????????????????????? ≤ |
0.003 |
| 水不溶物 ，w/%?????????????? ≤ |
Insoluble substances,w/% ????????????????≤ |
0.06 |
