The main quality indicators
Item
|
StandardGB/T22549-2008
|
Specimens Enterprises Indicators
|
|
Microparticles
|
Coarse Particles
|
||
P%≥
|
16.5
|
16.5 18 21
|
16.5 18 21
|
Ca%≥
|
20
|
20-26
|
20-26
|
F%≤
|
0.18
|
0.06-0.16
|
0.06-0.16
|
s mg/kg≤
|
30
|
10
|
10
|
mg/kg≤
|
30
|
10
|
10
|
Cd mg/kg
|
0.001
|
0.0005
|
0.0005
|
H2O % ≤
|
4
|
3
|
3
|
Fineness %
|
95 Guo 0.5mm Standard Screen
|
97 Guo 0.5mm Standard Screen
|
97 Guo 10-60 mesh Standard Screen
|