| ≥1 piece |
|
Terms
|
HG/T2519-93
|
GB1890-89
|
|
Content of General Phosphates
(As P 2 O 5 ) ≥%
|
68.0
|
68.0
|
|
Content of Inactive Phosphates
(As P 2 O 5 ) ≤%
|
7.5
|
7.5
|
|
Water Insolubles ≤%
|
0.05
|
0.06
|
|
Ferrum (as Fe) ≤%
|
0.05
|
0.05
|
|
Arsenic (as As ) ≤%
|
-----
|
0.0003
|
|
Heavy Metals (as Pb) ≤%
|
-----
|
0.001
|
|
Fluorides (as F) ≤%
|
-----
|
0.03
|
|
PH Value
|
5.8-7.0
|
5.8-6.5
|