| 摘要 |
<p>The cluster water having a potassium ion concentration of 100 ppm or more and containing potassium ions, magnesium ions and calcium ions in a weight ratio of potassium ions : magnesium ions : calcium ions of 1 : 0.3 - 4.5 : 0.5 - 8.5 has small clusters on the average, which are retained stably for a very long period of time at ordinary temperature.</p> |
