N-Nitrosodimethylamine NDMA, 100 µg/ml, Methanol,

n-Hexyl 4-hydroxybenzoate-2,3,5,6-d4, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. NA 1083-27-8 for unlabelled

1,1,1-Trichlorotrifluoroethane

Aromatics Calibration Standards Kit (4 Internal Standard Version) 24 Analytes + 4 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 4 fluorinated Internal Standa