
Property | Specification | Test Method |
---|---|---|
Assay (K₂CrO₄) | ≥ 99.0% | Gravimetry or Titrimetry |
Appearance | Yellow crystalline solid | Visual |
Solubility in Water | ≥ 60 g/L (at 20°C) | Solubility Test |
pH (1% solution) | 8.2 – 9.2 | pH Meter |
Chloride (Cl) | ≤ 0.01% | Ion Chromatography |
Sulfate (SO₄) | ≤ 0.10% | Gravimetry or Ion Chromatography |
Insoluble Matter | ≤ 0.10% | Gravimetric Analysis |
Heavy Metals (as Pb) | ≤ 0.002% | Atomic Absorption Spectroscopy (AAS) |