Classification opinions
… 1. Separate isomers and mixtures of isomers (including stereoisomers) of monoethylenic or polyethylenic acyclic … isomers not less than 90 % pure (*). (ii) Mixtures of stereoisomers, containing not less than 90 % (*) of … Calculated on the dry product, by reference to volume for gaseous products and to weight for non-gaseous products. …