2,4'-DDT-13C12,100 µg/mL,n-nonane,1mL,

Resolution Test Mixture for ASTM D 5739 150 µg/mL of each in pesticide grade cyclohexane, 10mL Pristane 99 % Phytane 99 % n-Heptadecane 99 % n-Octane 99 %

CONOSTAN Multi Element Std., in 75cSt oil, 200g

Sulfaquinoxaline sodium salt, 100 µg/ml, Methanol