SIMPLE EXPLANATION OF HYDROGEN-ION CONCENTRATION
Rudiments of This Comparatively Little Understood Process Described—What Ions Are-Each Contains Positive or Negative Charge-How Practically Applied
THE practical use of hydrogen-ion concentration in the determination of the purity of water, iron removal, etc., is being more and more adopted by water works and therefore any contribution on the subject is always of value to those interested. There are, however, many water works superintendents to whom the term “hydrogen-ion" is something of a mystery, and the following very clear exposition of the subject will be found helpful, as setting forth simply the exact meaning of the terms and what they stand for:
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