Section 580(b) in Rules under the United Provinces Excise Act, 1910
(b)"pulp of quicklime" means the pulpy precipitate obtained by gradual addition of water to quicklime.(iv)For better results, 0.2 per cent, by volume of Sodium Benzoate solution may be put in the receptacle before they are hung upon the tree.(v)After the receptacles have been sterilized and dried, calculated amount of solution of Sodium Benzoate to make concentration of 0.1 per cent, in the expected amount of Nira should be added to the receptacle just before they are hung up on the tree. The juice so collected should be pooled and the final concentration of Sodium Benzoate should be made up to 0.2 per cent.