Preservatives to Prevent Microbial Infection | Zoology
In this article we will discuss about the preparation of preservatives which is capable of preventing microbial infection. Formaldehyde Solution: Formaldehyde is a volatile substance. The maximum concentration can be manufactured is 40%. In preservation, commercial grade formaldehyde is used. Strength of the solution is calculated on the basis of 40 ml reagent in 100 ml formaldehyde available in the [...]