WHO PCB Extraction Standard, 100pg/µl in nonane, 1,2ml

2,4-D methyl ester, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1928-38-7

Fluoxastrobin, 10.0 µg/ml, Acetonitrile, 10ml

4-Isopentylphenol,1000 µg/mL,isooctane,1mL,