≥1 piece |
No
|
Item
|
standard
|
Index
|
1
|
Phosphate
|
21% Min
|
21.1 %
|
2
|
Water-soluble phosphorus
|
80%
|
85%
|
3
|
Calcium
|
13%-18%
|
17.3%
|
4
|
Fluorine
|
0.18% Max
|
0.14%
|
5
|
Arsenic
|
30ppm Max
|
11ppm
|
6
|
Cadmium
|
10ppm Max
|
9ppm
|
7
|
Lead
|
30ppm Max
|
18ppm
|
8
|
Size(Pass0.5mm)
|
95% Min
|
98%
|
Analysis Method: GB/T 22549-2008
|