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Nitric
Acid
Nitric Acid
Nitric acid, (HNO3), colourless, fuming, and highly corrosive liquid (freezing point -42° C [-44° F], boiling point 83° C [181° F]) that is a common laboratory reagent and an important industrial chemical for the manufacture of fertilizers and explosives. It is toxic and can cause severe burns.
Nitric acid is a highly corrosive acidic substance. Its physical state is a colorless liquid but sometimes, it may have a yellowish tint. Nitric acid dissolves metals such as iron, copper and silver. It is a strong oxidizing agent, a substance that readily accepts electrons from another substance.
Uses :
1. Water treatment
2. Bleaching
3. Stain removal
4. Disinfection
5. Water treatment
Advantages :
1. It can easily and be stored and transported when it is produced on-site
2. Dosage is simple
3. Transport and storage of sodium hypochlorite are safe
4. Sodium hypochlorite is as effective as chlorine gas for disinfection
5. Sodium hypochlorite produces residual disinfectant