Potassium tellurite 2% solution

Potassium tellurite solution is used as a supplement in preparing nutrient media for isolation of diphtheria, cholera and other bacteria. It has a bactericidal effect on most Gram-positive bacteria. Potassium tellurite-resistant bacteria form black-colored colonies due to reduction of tellurite anion by tellurite reductase.

Composition: potassium tellurite, 2% solution, 5 ml - 5 amp.