Sodium standard

n-Heptacosane, ?13C: -25.48, 150ug/ml, Solvent-cyclohexane, Unit 1mL, # of units-10, Cas.no. 593-49-7

n-Hexadecane-d34, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-10, Cas.no. 15716-08-2

2,3,6,7-Tetrachlorobiphenylene, 1.2ml x 1x10-4M, dimethylsulfoxide