Standard NBN ISO 2049:2001
Petroleum products - Determination of colour (ASTM scale) (ISO 2049:1996)
75.080 Petroleum products in general
This International Standard specifies a method for the visual determination of the colour of a variety of Petroleum products, such as lubricating oils, heating fuels, diese1 fuels and Petroleum waxes. lt is limited to products that do not contain artificial dyes.