product name: potassium ferrocyanide molecular formula: k4fe(cn)6.3h2o molecular weight: 422.39 property: yellow crystal, soluble in water uses: used in pigment, pharmaceutical, steel and carbonization industry etc. package and specification: plastic woven bag, 25kg/bag. standard: hg/t 2963-1999 technical grade gb1899-84(food grade) item | 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 |
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