4-Aminoazobenzene, 250mg

Aromatics Calibration Standards Kit (3 Internal Standard Version) 24 Analytes + 3 ISTD, each Vol.% as listed in isooctane; units: 5x1mL Set, one of each Std. 1-5 + opt. 1x1mL (Std. 6) To these calibration standards are 3 deuterated Internal Standards

Perfluoroheptanoic acid [PFHpA]

Heptaphene, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no. 222-75-3