PRISTINE Water, HPLC Grade, 4 Liter, 4/caseHigh-Purity Water for High-Performance Liquid Chromatography (HPLC)PRISTINE HPLC Grade Water is purified to meet the exacting standards of high-performance liquid chromatography and other sensitive analytical applications. With an ultra-low conductivity level and low UV absorbance, this water grade is free from organic, inorganic, and particulate contaminants, making it ideal for achieving precise, interference-free results in both qualitative and quantitative analyses.