Benzyl isobutyl paraben

Daily Quality Control Standard (without Internal Standard) 14 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene 9 n-Heptane

Tetra-n-butyltin, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 1461-25-2

Trietazine, 100 µg/ml, Acetonitrile, 5ml