|
ITEMS |
UNIT |
SPECIFICATION |
RESULTS |
|
Appearance |
Faint yellow Crystalline particle or powder |
Faint yellow Crystalline particle | |
|
K4Fe (CN)6.3H2O |
w % |
≥99 |
99.3 |
|
Chloride (Calculated by Cl), w/% ≤ |
w % |
≤0.3 |
0.05 |
|
Water insoluble matter, w/% ≤ |
w % |
≤0.02 |
0.002 |
|
Sodium (Na),w/% ≤ |
w % |
≤0.2 |
0.11 |
|
Arsenic (As)/ (mg/kg) ≤ |
w % |
≤1 |
≤0.01 |
|
Cyanide |
Passes the test |
Passes the test |
|
|
Hexacyanoferrate |
Passes the test |
Passes the test |