TO11/IP-6A 醛/酮-DNPH 混标

TO11/IP-6A 醛/酮-DNPH 混标, certified reference material, 15 μg/mL in acetonitrile (as the aldehyde), ampule of 1 mL

TO11/IP-6A 醛/酮-DNPH 混标, certified reference material, 15 μg/mL each component in acetonitrile (as the aldehyde or ketone), ampule of 3 × 1 mL