Sodium p-n-tridecylbenzenesulfonate, 100 µg/ml, M

2,3,3',4,4',5',6-Heptabromodiphenyl ether, 1.2ml x 50ug/ml, toluene

Endosulfan alcohol, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 2157-19-9

Metsulfuron-methyl, 10 µg/ml, Acetonitrile, 10ml