Total Kjeldahl Nitrogen as N

2,2',4,4',6,6'-Hexachloro-3,3'-dimethoxybiphenyl, 1.2ml x 50ug/ml, nonane

3-Ethyl-5-methylphenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 698-71-5

2,4-Dibromophenol, 250mg