PSA-GCB-Mix 3 Back Catalog number: 674522 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 72323 2-Ethylthiophene Price on request 680136 1,2,3,5-Tetrachlorobenzene, 100 µg/ml, Methanol, Price on request 70772 Oxadiazon, 1000µg/ml in MeOH, 1ml Price on request