2-Methylnaphthalene, 10.0 µg/ml, Acetonitrile, 1

DNPH-Mix 2, 215-700µg/mL in Acetonitrile, 1ml

3-Nitrobenzofuran,100 µg/mL,toluene,1mL,

PCB Mixture 1 7 Analytes, each 10µg/mL in acetonitrile; unit: 10x1mL Prod.no. Compound Description CAS No. 1999.12 2,4,4’-Trichlorobiphenyl PCB 28 [7012-37-5] 2000.12 2,2’5,5’-Tetrachlorobiphenyl PCB 52 [35693-99-3] 20001.12 2,2’4,5,5’-Pentachlorobi