====FORMALIN PREPARATION & BOUINS FLUID PREPARATION====

===CAUTION====

HIGHLY INFLAMMABLE AND IRRITABLE

Wear the gloves before use

**Procedure**
  *Take 2 liter of 40% formaldehyde solution in one big container
  *Add 18 liter of tap water in container containing 40% formaldehyde.
  *Mix well and add 130 gm K2HPO and 80 gm NaH2PO4
  *Mix well till all ingredients have dissolved.
  *Store this solution in closed container for use. 

**BOUINS FLUID PREPARATION**
  *Take 75 ml picric acid in one beaker
  *Add 25 ml of 40% Formaldehyde. 
  *Add 5 ml Acetic acid in it.
  *Mix well and store in closed container.