chemically pure water

Chemically pure water has an electrical conductivity of 0.055 S cm.

This is absolutely chemically pure water in which are dissolved eighteen amino acids, sixteen vitamins, eleven mineral salts, a fatty acid ester, and glucose.

Several of the lakes at Sky Lakes, including Alta and Natasha, were found to have among the most chemically pure water known of all lakes on the globe.

We have made an experiment: we put one cyborg-bacteria in a glass of germ- free chemically pure water, containing no organics, and then put the glass into a hermetically sealed box in complete darkness to rule out any possibility of photosynthesis.