Selenium (Se)

Hexachlorobenzene (HCB), 100µg/ml in CY, 5ml

Ethanol standard in water,0.3g/L,water, 3mL

MCPB-d3 (4(4-Chloro-2-methylphenoxy-3,5,6-d3)butyric acid), 100µg/mL, Solvent-acetone, Unit 1mL, # of units-1, Cas.no. 1219803-42-5