Chromite (Cr2FeO4) - Names and Identifiers
Chromite (Cr2FeO4) - Physico-chemical Properties
Molecular Formula | CrFeH2O
|
Molar Mass | 125.86 |
Density | 5.000 |
Water Solubility | insoluble H2O [CRC10] |
Appearance | black cubic crystals |
Chromite (Cr2FeO4) - Introduction
Chromite is an ore containing chromium and iron with the chemical formula FeCr2O4. It is usually black and contains a high concentration of chromium.
Chromite is one of the chromium compounds in chromite. There are three common forms: chromite hydroxide (Cr(OH)3), sodium chromite (Na2CrO4) and potassium chromite (K2Cr2O7). They all have some similar properties.
About nature:
-Chromium hydroxide is a red precipitate, insoluble in water, but soluble in alkaline solution.
-Sodium Chromite is a yellow solid, soluble in water, with strong oxidant properties.
-Potassium Chromite is an orange-yellow crystal that is soluble in water and also has strong oxidant properties.
About Use:
-Chromite can be used as a pigment, such as orange yellow pigment chrome yellow.
-In the chemical industry, sodium chromite and potassium chromite are commonly used as oxidants and preservatives.
-In the electroplating industry, Chromite can be used for chromium plating on metal surfaces.
About the preparation method:
-Chromite can be obtained through mining and extraction processes.
-Sodium chromite and potassium Chromite can be prepared by reacting chromite hydroxide with sodium hydroxide or potassium hydroxide.
About safety information:
-Sodium chromite and potassium chromite are strong oxidants and have certain risks. Attention should be paid to avoid contact with combustibles.
-Wear appropriate personal protective equipment such as gloves, glasses and masks when using sodium and potassium chromite.
-Long-term exposure to sodium chromite and potassium chromite dust or solution may be harmful to health, so good ventilation conditions should be ensured.
Please note that when handling and using chemicals, it is very important to follow correct safety operations and follow relevant safety guidelines.
Last Update:2024-04-10 22:29:15