Note on the Determination of the Nitrogen in Sour Milk as a Subsidiary Standard of Purity

as a subsidiary standard in examining sour milk for purity. Hawley (1918) in his report on the Madras Food Adulteration Act suggests a standard of 0.5 per cent, nitrogen as a minimum standard in estimating purity of milk or sophistication by addition of water. The following examinations have been carried out in the Bengal Public Health Laboratory in order to see how far this suggestion would apply to Bengal milk) and Blengal Food Adulteration Act's standards. The standards for milk in the Bengal Adulteration Act are:?Specific gravity: ?1028-1030 at 15.5?C. Fat:?cow's milk mini-