Potassium (K) Back Catalog number: 56119 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 4M177 2,2',3,3',4',5,6-Heptachloro-4-methoxybiphenyl, 1.2ml x 50ug/ml, nonane Price on request 11376.11-K-IO 2-Naphthaldehyde,1000 µg/mL,isooctane,1mL, Price on request 9415.24-K-ME Trimipramine maleate, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 521-78-8 Price on request