Sodium (Na) Back Catalog number: 56011 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11224.6-100-IO 1H-Benzotriazole-4,5,6,7-d4,100 µg/mL,isooctane,1mL, Price on request 10278.12-10MG (±)-Sotalol-d7 hydrochloride (iso-propyl-d7) Price on request 70142 2,4-Dichlorophenol Price on request