What is ASTM Type 1 water?
What is ASTM Type 1 water? Type I - Ultrapure, Type I water is defined by the American Society for Testing and Materials (ASTM) as having a resistivity of >18 MΩ-cm, a conductivity of <0.056 µS/cm and <50 ppb of Total Organic Carbons (TOC). What does that mean? Type I water is truly ultrapure and a requirement for analytical labs. Can you drink Type 1 water? Stripping water down to an ultrapure state makes it unfit for human consumption. When water is in an ultrapure state, it's a “super cleaner,” sucking out the tiniest specks of dirt and leaving your...