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Potassium ferrocyanide trihyrate
Index
Excellent-grade
First-grade
Food grade
Content % ≥
99.00
98.50
99.00
Chloride % ≤
0.30
0.40
0.30
Water-insoluble Matter % ≤
0.02
0.03
0,01
Moisture % ≤
1.50
2.50
0.50
Arsenic(As)% ≤
0.0001
Cyanide(CN)% ≤
0.001