技 术 指 标 |
white powder |
Food grade |
||
Specifications |
Standard values |
Results of inspection |
||
( (NH4)2HPO4计) main content((NH4)2HPO4) |
% |
≥98.0 |
99.10 |
|
P2O5 phosp horus pentoxide |
% |
≥53.0 |
53.4 |
|
(以N计) Nitrogen as N |
% |
≥20.8 |
21.0 |
|
(以Pb计) Heavy metala, as Pb |
% |
≤0.001 |
0.001 |
|
(以F计) Fluoride,as F |
% |
≤0.002 |
0.001 |
|
|
PH 值( 1% ) PH of 1% solution |
|
7.8-8.2 |
8.0 |
|
water insoluble |
% |
≤0.0003 |
0.0001 |
|
H2O) moisture |
% |
≤0.15 |
0.1 |