Para Red, certified, 0.1g Back Catalog number: C15875000 Availability: In the manufacturer's stock Price on request - + Recommended 37031 EPA Method 525.2 - IS/SS Mix Price on request 677929 Thionazin, 100 µg/ml, Ethyl acetate, 1ml Price on request S-4252-ASS-IOX5 Aromatics Calibration Standards Kit (3 Internal Standard Version) 24 Analytes + 3 ISTD, each Vol.% as listed in isooctane; units: 5x1mL Set, one of each Std. 1-5 + opt. 1x1mL (Std. 6) To these calibration standards are 3 deuterated Internal Standards Price on request