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 1162-50 ML Sulfuric acid-d2, 98 wt% in DO, 99.5 atom%D, 50ml Price on request 1170-10 ML Toluene-d8, 99.5 atom%D, 10ml Price on request 1002-25 ML Benzene-d6, 99 atom%D, 25ml Price on request