Additional Internal Standard Solution, 1.2ml, toluene Back Catalog number: EPA-8280ISB Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 680165 Acetic acid, 5ml Price on request 672978 Tetracycline hydrochloride, 250mg Price on request S-4401-10K-AN Pesticide Mixture 6 Analytes, each 10000 µg/mL, in acetonitrile; units: 1x1, 1x2mL Prod.no. Compound CAS No. 2768,8 Atrazine [1912-249] 2769,9 Propazine [139-40-2] 2770,7 Simazine [122-34-9] 2771,9 Tertbuthylazine [5915-41-3] 2772,6 Atrazine-deseth Price on request