salts (chemical preparations); fatty acids; colour-brightening chemicals for industrial purposes; biochemical catalysts; chemical preparations for scientific purposes, other than for medical or veterinary use; diagnostic preparations, other than for medical or veterinary purposes; chemical reagents, other than for medical or veterinary purposes; plastics, unprocessed; artificial resins, unprocessed; synthetic resins, unprocessed; Chemicals for use in dna, rna synthesis for industrial and scie...