2,4,4',5-Tetrachlorodiphenyl ether, 1.2ml x 50ug/ml, nonane

ISO 8165-1 Internal Control Stock Solution 1 1 Internal standard, 1000µg/mL in acetone; unit: 1x5mL 2061.6 2,4-Dibromophenol [615-58-7]

Ethylene glycol

2,9-Dinitroanthracene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 234076-75-6