Ttc Chapman Agar 500G Iso 9308-1 1076 Condalab

TTC Chapman Agar (Lactose Agar TTC with Tergitol 7) 500gis a selective and differential medium used for the presumptive control of E. coli and coliforms in waters for human consumption by the membrane filtration technique. Peptone and beef extract provide nitrogen, vitamins, minerals, and amino acids essential for growth. Yeast extract is source of vitamins, particularly the B-group. Lactose is a fermentable carbohydrate providing carbon and energy. Sodium heptadecyl sulphate (Tergitol 7) and TTC inhibit most Gram-positive bacteria. Bromothymol blue is a pH indicator and bacteriological agar is the solidifying agent.