SDWA Solids (Total Solids, TSS, & TDS) Back Catalog number: 55161 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72780 Chlorfenapyr, 1000µg/ml in MeOH, 1ml Price on request 1579.4-K-ME Metformin hydrochloride, 1000µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1115-70-4 Price on request 73602 Oxytetracycline Price on request