Medical Marijuana Heavy Metals Calibration Back Catalog number: 50712 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 96434 SDWA Carbon disulfide, MIBK, Naphthalene Cal 2 Price on request 0170.13-500-IO 1,3,7-Trimethylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2131-38-6 Price on request 682926 5-Amino-1,3,4-thiadiazole-2-thiol, 1000mg Price on request