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 1034-5 G Ammonium-d8 sulfate, 98 atom%D, 5g Price on request 1173-1 G 1,3,5-Trichlorobenzene-d3, 98 atom%D, 1g Price on request 1032-10 ML Ammonium-d4 deuteroxide, 26 wt%, 99 atom%D, 10ml Price on request