Basic Laboratory Techniques I

Washing and Cleaning of Glassware

Steps:

1. Prepare chromic acid solution in a tub filled with water.
2. Chromic acid solution is prepared by mixing Potassium dichromate and concentrated Sulphuric acid in a tub of water.
3. Mix thoroughly using a glass rod.
4. Immerse all the Glasswares completely in the solution.
5. Petri dishes are opened and soaked so that no part is left uncovered.
6. After acid treatment, transfer them in another tub containing 2% detergent solution.
7. Scrub each of the Glassware with a good quality brush.
8. Wash the Glasswares with regular tap water.
9. Choose appropriate brush for the type of Glassware being cleaned.
10. Wash each Glassware several times to remove all the traces of detergent.
11. Dry the Glassware by keeping them either in an oven at 40 °C or at Room temperature overnight.

[jitendra_nayak]

Impressive. 🤓
Such Initiatives like use of social platform to share practical knowledge is indeed needed. Appreciated 👌👏