carbol fuchsin dilute staining solution  identify Mycobacterium tuberculosis, the causative agent of tuberculosis. Acid-fast organisms have a lipoid capsule that has a high molecular weight and is waxy at room temperature. 

For Microscopy. Ready-to-use staining solution for the purpose of bacteriological and histological investigation of sample material of human origin.

Carbol fuchsin (0.3%) was prepared from 33 ml of the above solution diluted to 100 ml with distilled water before use.

CARBOL FUCHSIN DILUTE staining solution ziehl Neelsen