Group I Elements Starter Kit Back Catalog number: 52253 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 6164-3-06:5G 1H,1H,2H,2H-Perfluorooctanesulfonic acid; 6:2FTS, 97%, 5g Price on request 3368.8-100-AN Demeton S Price on request 79424 sec-Butanol Price on request