Barium (Ba) Back Catalog number: 57256 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10857.20-K-ME Quinine hemisulfate,1000 µg base/mL,MeOH,1mL Price on request 96130 Tetraethylene glycol Price on request C20011200 PCB No. 112, certified, 5mg Price on request