Disodium hydrogen phosphae
Molecular Formula: Na2HPO4·12H2O
Molecular Weight: 358.17
Technical Standard:
Index |
HG/T2965-2000 |
GB1263-86 |
GB1909-80 |
GB190-87 |
TECH |
A.C.S |
Grand |
FIRST |
Second |
AR |
CP |
FOOD |
Assay≥% |
97 |
96 |
99 |
98 |
98 |
98 |
Insoluble matter%≤ |
0.05 |
0.1 |
0.005 |
0.01 |
0.05 |
0.05 |
Cl(CL) %≤ |
0.05 |
0.1 |
0.001 |
0.003 |
0.014 |
0.014 |
SO4(SO4) %≤ |
0.7 |
1.2 |
0.01 |
0.03 |
0.25 |
0.25 |
N(N) %≤ |
|
|
0.002 |
0.005 |
|
|
Ca %≤ |
|
|
0.0005 |
0.001 |
|
|
Heavy metal(as Pb) %≤ |
|
|
0.0005 |
0.001 |
0.002 |
0.002 |
PH |
8.8-9.2 |
8.8-9.2 |
|
|
|
9-9.4 |
As%≤ |
0.005 |
|
0.0005 |
0.002 |
0.0005 |
0.0005 |
K %≤ |
|
|
0.01 |
0.1 |
|
|
F%≤ |
0.05 |
|
|
|
0.005 |
0.005 |
|
