WA EPH Matrix Spike Mix Back Catalog number: 51145 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71787 2-Chloro-m-xylene Price on request 674716 Amisulbrom, 100 µg/ml, Acetonitrile, 1ml Price on request 11868.20-100-ME (±)-Chlorpheniramine-d6 maleate (N,N-dimethyl-d6),100 µg base/mL,MeOH,1mL Price on request