Cami de Can Calders, 14, Sant-Cugat del Valles, ES-08173 Barcelona. Spain. +34 93 674 8800. +34 93 675 24 05. se.amorkonket@ocsagf. www.teknokroma.es. Spanish manufacturer and exporter of Chromatography consumables (GC capillary columns, HPLC columns, SPE tubes, Quechers, Syringe Filters and other laboratory consumables)