以下是食品级磷酸三钠的质量指标,有特殊指标的客户欢迎来电咨询定制:
质量指标 |
Specification |
GB 25565-2010 |
|
Na3PO4(以灼烧干基计)w/% ≥ Na3PO4·H2O ,w/% ≥ Na3PO4·12H2O, w/% ≥ |
Anhydrous Monohydrate Dodecahydrate |
97.0 |
|
重金属(以Pb计),mg/kg ≤ |
Heavy Metals |
10 |
|
铅(Pb),mg/kg ≤ |
Pb |
4 |
|
氟化物(以F计),mg/kg ≤ |
Fluorides(F) |
50 |
|
水不溶物,w/% ≤ |
Insoluble In Water |
0.2 |
|
pH(10g/L 溶液) |
pH Value |
11.5~12.5 |
|
砷(As), mg/kg ≤ |
As |
3 |
|
灼烧减量, w/% |
(Na3PO4) ≤ |
Loss On Ignition |
2.0 |
(Na3PO4·H2O) |
8-11 |
||
(Na3PO4·12H2O) |
45~57 |