Trace Metals Kit Back Catalog number: 53091 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10864.10-100-ME Serotonin-13C2,15N hydrochloride (ethylamine-13C2,15N),100 µg base/mL,MeOH,1mL Price on request 11674.12-100-IO 2,3,5-Trichlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 677732 2-Isopropylphenol, 500mg Price on request