Plate Count Agar w/ Tween 80 and Lecithin (Standard Methods Agar w/ Tween 80 and Lecithin) 100G

Plate Count Agar with Tween 80 and Lecithin is used for sanitary examination of surfaces, that is, for counts before and after application of disinfectants. Addition of Polysorbate 80 and lecithin act as neutralizers to inactivate the residual disinfectants where the samples are collected. Lecithin inactivates quaternary ammonium compounds whereas polysorbate 80 neutralizes formalin, phenolic disinfectants, hexachlorophene etc.