品牌: | MPP | 品名: | 磷酸二氢钙 |
产量: | 1000吨 |
指示名称 | FCC-V | E341(I) |
含量(以钙计),% |
15.9-17.7(Monohydrate)16.8-18.3(Anhydrous) | Assay(on the dried basis), ≥95% |
P2O5含量, % |
? | 55.5-61.1 |
外观 |
-- | Granular powder or white, deliquescent crystals or granules |
鉴别试验 |
-- | Positive tests for calcium and for phosphate |
氧化钙含量,% |
-- | 19.0-24.8 |
砷, ≤mg/kg |
3 | 3 |
氟, ≤mg/kg |
50 | 30 |
重金属(以铅计), ≤% |
-- | -- |
铅, ≤mg/kg |
2 | 4 |
镉, ≤mg/kg |
-- | 1 |
汞, ≤mg/kg |
-- | 1 |
干燥失重,≤% |
Monohydrate 1.0 | -- |
干燥失重 |
-- | Monohydrate 60℃, 1hour then 105℃, 4hours, ≤17.5% Anhydrous: 105℃, 4hours, ≤14% |
灼烧失重 |
Anhydrous 14.0-15.0 | Monohydrate: 105℃, 1hour then ignite at 800℃±25℃ for 30minutes, ≤25.0% Anhydrous: ignite at 800℃±25℃ for 30minutes, ≤17.5% |