Water-18O, nomalized, 97 at%18O, 1g Back Catalog number: 1179-1 G Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 1131-5 ML Nitrobenzene-d5, 99.5 atom%D, 5ml Price on request 1109-5 ML Hexafluoroacetone trideuterate, 99.5 atom%D, 5ml Price on request 1054-10 X 0.75 ML Chloroform-d, 99.8 atom%D, 10 x 0.75ml Price on request