For determination of presence or absence of coliform bacteria in treated water.
Specifications
PHYSICAL PARAMETERS
Description
A fine, free flowing, hygroscopic powder
Color
Beige with bluish purple tinge colored.
Solubility
Soluble in Distilled/de-ionized water at 50°C
Color
Purple red color, clear solution
pH
6.8 ± 0.2 at 25˚C (92.42 g/ l)
Contents
Ingredients
Gram/Litre
Casein enzymic hydrolysate
10.000
Pancreatic digest of gelatin
5.000
Beef extract
3.000
Lactose
7.500
Dipotassium phosphate
1.375
Monopotassium phosphate
1.375
Sodium chloride
2.500
Sodium lauryl sulphate
0.050
Bromocresol purple
0.0085
pH at 25˚C
6.8 ± 0.2
Directions
Dissolve 92.42 grams in 1000 ml distilled water. Boil to dissolve the medium completely. Distribute 50 ml in the screw cap bottles. Sterilize by autoclaving at 15 lbs. pressure (121 °C) for 15 min, and inoculate test sample aseptically.
