BS 2000-346(1996) : 1996
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01-01-1996
Determines the polycyclic aromatics over the concentration range 1-15 mass % in unused additive free lubricating base oils with a minimum atmospheric boiling point of 300 deg C at 5 % recovered sample. Can be applicable to PCA concentrations outside this range, together with other asphaltene-free petroleum fractions, but the precision is undetermined.
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