Potassium Chromate is available as small yellow coloured free flowing crystals.
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Handle all solutions of chromate with gloves on. If it comes in contact with any cuts or bruises on the skin, immediate washing of the affected part with a 5% solutions of sodium bisulphite and then with water is recommended, to prevent the formation of Chrome sores.
The Indian Standard Specification for Techinical grade – IS 250 : 1961 is as follows:
- Purity K2CrO4 [ 98.50% Min ]
- Moisture Content [ 00.50% Max ]
- Matter Insoluble in water [ 00.10% Max ]
- Chloride (As CL) [ 00.10% Max. ]
- Sulphate (As SO4) [ 00.30% Max ]
50 kg. HDPE bags
It’s main use is as a corrosion inhibitor and as an additive to oil drilling muds.
It is non-caking and if stored in a cool dry place away from heat, shelf life is indefinite. Being a powerful oxidising agent, it should not be stored along with inflammable organic chemicals.