Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57019 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended S-4591-100-10DC Custom methyl-PAHs and trimethylbenzene Mixture 100µg/mL each in dichoromethane1x10mL 0289.17 1-Methylfluoranthene 1274.9 1,2,3-Trimethylbenzene 0712.11 1-Methyl napthalene Price on request 2282.10-K-50MG 4-tert-Butyl-d9-phenol-2,3,5,6-d4,neat,neat,1mL, Price on request 91701 Alcohol Mix 2, 20mg/ml in water, 1ml Price on request