IS 18690 : 2024 Tar and Bituminous Materials - Determination of Saturates, Naphthene Aromatics, Polar Aromatics and Asphaltenes - Methods of Test

1 SCOPE

This standard prescribes method for separation and determination of asphalt or bitumen into four fractions saturates aromatics, resins, and asphaltenes. These test method, can also be employed for petroleum products asphalt, bitumen, vacuum gas oil (VGO), lubricating oils, and other related products.

2 REFERENCE

The standard given below contain provisions which, through reference in text constitute provisions of this standard. At the time of publication, the edition indicated was valid. All the standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of this standard: