Crescent Chemical Co., Inc. proudly introduces AquaSure Karl Fischer Water Standard Tablets for instrument calibration and titer of water in KF reagents. This convenient single use tablet is pre-concentrated to a specific moisture content with the exact amount of water provided on a Certificate of Analysis with each lot. AquaSure is available in 2 mg, 10 mg and other concentrations as custom formulations. Unit dose packaging reduces transfer time and eliminates variability introduced by technique.