beta-Endosulfan, 100 µg/ml, Methanol, 1ml Back Catalog number: 679467 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended BB-180 2,2',3,4,4',5,5'-Heptabromobiphenyl, 1.2ml x 50ug/ml, nonane Price on request 678660 S-Metolachlor Metabolite CGA 368208, 50mg Price on request S-4516-2-50PEX5 ISO 9377-2MOD Extraction solvent standard solution Dilute of "extraction solvent stock solution" (S-4415) 10 times with the extracting solvent (n-pentane) Use 50mL of extraction solvent standard solution pr. experiment Price on request