|
质量指标
|
GB 25565-2010
|
|
Na3PO4(以灼烧干基计)w/% ≥
Na3PO4·H2O,w/% ≥
Na3PO4·12H2O, w/% ≥
|
97.0
|
|
重金属(以Pb计),mg/kg ≤
|
10
|
|
铅(Pb),mg/kg ≤
|
4
|
|
氟化物(以F计),mg/kg ≤
|
50
|
|
水不溶物,w/% ≤
|
0.2
|
|
pH(10g/L 溶液)
|
11.5~12.5
|
|
砷(As), mg/kg ≤
|
3
|
|
灼烧减量, w/%
|
(Na3PO4) ≤
|
2.0
|
|
(Na3PO4·H2O)
|
8-11
|
|
(Na3PO4·12H2O)
|
45~57
|
|
