Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml Back Catalog number: 57019 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended S-4677-100-DCX10 Custom Mix of deuterated PAHs 2, 100ug/ml each 1088 Benzo[a]pyrene 1337 Fluoranthrene Price on request 680531 Hydroxy-Boscalid, 5mg Price on request 82429 EPA 8240B Calibration Mix 6 Price on request