Ultrapure Water (UPW)

UPW Physical Properties & Quality Calculators & Design Tools

Light-Castellan-Thornton resistivity/conductivity, TDG Henry Law DO/CO2 & 185nm TOC oxidation.

ASTM D1125 / Light, Castellan, Thornton Pure Water Model (EPRI / Semiconductor Standards)

Resistivity & Non-Linear Temp-Compensated Conductivity

Light-Castellan-Thornton pure water non-linear temperature compensation (0°C to 100°C)

Launch Calculator → ASTM D888 / Standard Methods 4500-O / Semiconductor Equipment & Materials Intl (SEMI)

Total Dissolved Gas (TDG) & Henry's Law Equilibrium Engine

Dissolved Oxygen (DO) and CO₂ equilibrium concentrations and TDG pressure

Launch Calculator → SEMI E49.8 / ASTM D5173 / Ultrapure Water UV Reactor Guidelines

TOC 185 nm UV Oxidation Mass Balance Estimator

Model 185 nm photolytic organic oxidation, CO₂ conversion & conductivity spikes

Launch Calculator →