Triethanolamine, 1ml

2,2',4,4'-Tetrabromo-6-hydroxy[13C12]diphenyl ether, 1.2ml x 50ug/ml, toluene

Phorate-oxon, 100 µg/ml, Toluene, 1ml

Custom Mix of native alkylphenols 1427.6 Phenol 1500µg/mL 1403.7 2-Methylphenol 1000µg/mL 1358.7 4-Methylphenol 1000µg/mL 1411.8 4-Ethylphenol 750µg/mL 1406.8 2,4-Dimethylphenol 750µg/mL 1360.8 3,5-Dimethylph