Chemicals used in industry, namely, for the surface treatment of aluminum and aluminum alloys including chemical products for the treatment and renovation of sewage produced thereby; chemicals for use in water purification; chemical products for laboratory analysis namely, chemical preparations for scientific purposes except for medical or veterinary purposes for the purpose of proceeding and monitoring of the surface treatment of aluminum and aluminum alloys

LIQUID CHROMATOGRAPHY CHEMICALS FOR LABORATORY AND INDUSTRIAL USE, NAMELY, PACKING CARTRIDGES AND PACKING MEDIA FOR CHROMATOGRAPHY COLUMNS