Calibration Standard Mix 4 Back Catalog number: 53036 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1978.17-K-IO 4-n-Nonylphenol monoethoxylate, 1000µg/ml in Isooctane, 1ml Price on request 674315 (-)-Nicotine, 500mg Price on request X9042 Chloroethane Price on request