Pesticide Standard Back Catalog number: 91202 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 58070 Ytterbium (Yb) Price on request DF-IS-A200 Mass-Labelled PCDD Internal Standard Solution, 1.2ml x 200ng/ml , nonane Price on request S-4474-500-IO ASTM D 5623 Sulfur Compounds Standard III, Dimethylbenzothiophenes 5 Analytes each approximately 500µg/mL each in isooctane; unit: 1x1mL 0952.10 2,3-Dimethylbenzothiophene 0953.10 2,4-Dimethylbenzothiophene 0954.10 2,5-Dimethylbenzothiophene 0 Price on request