Para Red, certified, 0.1g Back Catalog number: C15875000 Availability: In the manufacturer's stock Price on request - + Recommended 79244 EPA Method 8330 Analyte Price on request S-4171-10MLX5 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 20 Eth Price on request 71700 Perfluoromethylcyclohexane Price on request