1 Chemical preparations containing enzymes for scientific purposes, namely, for agricultural purposes, or dna analysis, or bio-security purposes or forensic purposes; chemical preparations for scientific purposes, namely, for agricultural purposes, or dna analysis, or bio -security purposes, or forensic purposes; diagnostic preparations other than for medical or veterinary purposes; chemical reagents for non-medical purposes; enzymes and buffers for non-medical purposes, namely, for agricultural purposes, or dna analysis, or bio security purposes or for forensic purposes; dilution solutions for diluting nucleic acids, namely, any solution used to buffer, dilute or preserve nucleic acids, for non-medical purposes, namely, for agricultural purposes, or dna analysis, or bio-security purposes, or forensic purposes; chemical preparations which facilitate the release of nucleic acids other than for medical or veterinary purposes