1,3,6,8-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane

n-Heptyl 4-hydroxybenzoate, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1085-12-7

Pesticides Calibration GC-MS/MS

Custom Nitrogen Set, 0,1,2,5,10,20,30ng/μL, 7x2ml