1.1 This standard covers the method for the determination of naphthalene in road tar.
1.2 This determination is necessary only in respect of the naphthalene deposited at 15.5°C from solution in the total distillate up to 270°C.
IS 1219-1978 history
1978IS 1219-1978 Methods for testing tar and bituminous materials: Determination of naphthalene