For verification of sterility of dairy plant after hypochlorite has been used for disinfection
purposes.
Specifications
PHYSICAL PARAMETERS
Description
A fine, free flowing, hygroscopic powder.
Color
Off white colored powder.
Solubility
Soluble in Distilled / de-ionized water at 50˚ C
Color
Colorless clear solution
pH
6.60 ± 0.1 (3.21 g/ l) If required adjust the pH with sterile 1N HCl or 1N NaOH.
Contents
Ingredients
Gram/Litre
Sodium chloride
2.250
Calcium chloride dihydrate
0.160
Sodium thiosulphate pentahydrate
0.800
pH at 25˚C
6.6 ± 0.1
Directions
Dissolve 3.21 grams in 1000 ml distilled water. Boil to dissolve the medium
completely and sterilize by autoclaving at 15 lbs. pressure (121 °C) for 15 min, cool it to 42-45 °C
use for sterility test. If required adjust the pH with sterile 1N HCl or 1N NaOH.