PCB No. 189, 10µg/ml in Isooctane, 10ml Back Catalog number: L20018900IO Availability: In the manufacturer's stock Price on request - + Recommended S-4261-ASS-IO Aromatics Calibration Standards Kit (3 Internal Standard Version) 24 Analytes + 3 ISTD, each Vol.% as listed in isooctane; unit: 5x1mL Set, one of each Std. 1- 5 + opt. 1x1mL (Std. 6) To these calibration standards are 3 fluorinated Internal Standard Price on request 79635 Diclofop methyl Price on request 680657 Esomeprazole magnesium trihydrate, 50mg Price on request