Silica (SiO2), 1000µg/ml in Water/0.5% NaOH, 100ml

1H,1H,2H,2H-Perfluorooctane sulfonic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 27619-97-2

2-Methylthiopyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.

1,2-Bis(2,4,6-tribromophenoxy)ethane, 50mg