|
|||||||||||||||||||||||||||||||||
|
質(zhì)量指標(biāo)
|
Specification
|
GB25561-2010
|
FCCVII
|
|
|
含量(干基計(jì)),w% ≥
|
Content（Dry Basis）≥
|
98
|
98
|
|
|
砷（As),mg/Kg ≤
|
Arsenic≤
|
3
|
3
|
|
|
氟化物（以F計(jì)）,mg/Kg ≤
|
Fluoride≤
|
10
|
10
|
|
|
重金屬（以Pb計(jì)),mg/Kg ≤
|
Heavy metals
|
10
|
----------
|
|
|
水不溶物, w% ≤
|
Water Insolubles≤
|
0.2
|
0.2
|
|
|
鉛（Pb）,mg/Kg ≤
|
Lead≤
|
2
|
2
|
|
|
干燥失重,w%
|
無水物 ≤
|
Loss on drying≤
|
2.0(Anhy)
|
2.0
|
|
三水物
|
20.0-30.0
|
20.0-30.0
|
||
|
pH值，（10g/L溶液）
|
pH Value
|
9.0±0.4
|
----------
|
|
