How to mix a 50% citric acid solution

Written by sajith kumar | 13/05/2017
How to mix a 50% citric acid solution
Lemon juice contains 5 to 6 per cent citric acid. (Jupiterimages/ Images)

Citric acid (c6h8o7), a white crystalline powder, exists in citrus fruits; It is a weak organic acid used as a preservative. Citric acid imparts a sour or acidic taste and hence it is widely used in the food and soft drinks industry. It is also used in soaps and laundry detergents for its ability to remove metallic stains. Its use as an active cleaning ingredient also extends to bathroom and kitchen cleaning solutions. Citric acid dissolves wax and colours from hair and thus used in shampoos. For general use, 50 per cent citric acid represents a weight per volume concept.

Wear safety gear like gloves, protective goggles and clothing while mixing. Contact with citric acid may cause eye or skin irritation.

Assemble a 1000 ml beaker with a magnetic stirrer. If a magnetic stirrer is not available, a glass rod will do the job.

Pour 312ml of deionised water into the beaker and slowly add 312 gm of citric acid in small lots with stirring. Continue stirring until the whole solution is left with no particles of citric acid .The remaining solution is 500ml of 50 per cent citric acid.

Things you need

  • Safety gear
  • 1000ml beaker
  • Magnetic stirrer
  • De-ionised water
  • Citric acid

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