Complete Set Of GC/MS Calibration Mixes

2,2',3,3',4,4',5,5'-Octabromo[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

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

n-Pentyl benzyl phthalate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 1240-18-2