| ≥1 piece |
|
Parameter
|
Grade
|
|
Standard: HG2927-1999/FCC-IV
|
Food
|
|
Appearance
|
white powder
|
|
Assay(as Ca)
|
17.0-18.3%
|
|
Residue on ignition
|
14.0-15.5
|
|
Pb
|
0.0002% max
|
|
Fluorine
|
0.005% max
|
|
Arsenic
|
0.0003% max
|