Column Test Mix ASTM D-2887/D-3524/D-5307

2,2',3,3',4,4',5,5',6-Nonabromo[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene

O-Desmethyl tramadol-d6 (racemic) , 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. 16412-54-7

3,3'-Dimethoxybenzidine, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 119-90-4