Hexavalent Chromium (Cr +6)

1,5-Bis-(4-chlorophenyl)-biguanide HCl, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 13590-98-2

n-Octane-d18, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 17252-77-6

1,3,8-Tribromodibenzofuran, 1.2ml x 50ug/ml, toluene