Pentachloroaniline, 100 µg/ml, Ethyl acetate, 5m

1H,1H,11H-Perfluoroundecan-1-ol , 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 307-70-0

CONOSTAN 1000ppm Standard, Cr, 50g

Kojic acid, 100µg/mL, Solvent-dried down, Unit 1mL, # of units-1, Cas.no. 501-30-4