Custom Standard Back Catalog number: 50311 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57282 Lead (Pb) Price on request S-4248-10ML Daily Quality Control Standard (with 4 Fluorinated Compounds Internal Standard) 14 Analytes + 4 ISTD, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 12 Toluene 9 n-Heptane 17 Price on request M226234 Metazachlor Ethane Sulfonic Acid-d6 Sodium Salt, 1mg Price on request