This standard covers the method for the determination of water content of asphalt bitumen and fluxed native asphalt, crude coal tar, road tar, cutback bitumen, Digboi type cutback bitumen and creosote and anthracene oil.
IS 1211-1978 history
1978IS 1211-1978 Methods for testing tar and bituminous materials: Determination of water content (DEAN and STARK methods)