Potassium (K) Back Catalog number: 50378 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended C11064100 Cefazolin sodium salt, certified, 0.1g Price on request 1504.30-100-IO 3ß(H),17ß(H),21ß(H)-3-Hydroxyhopane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 9392.20-50-AN 8:2 Di-PAPS, 50µg/mL, Solvent-acetonotrile, Unit 1mL, # of units-1, Cas.no. 678-41-1 Price on request