Water-supply: (Considered Principally from a Sanitary Standpoint.)

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J. Wiley & sons, 1896 - 504 páginas
 

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Página 475 - Any liquid which contains, in 100,000 parts by weight, more than one part by weight of sulphur, in the condition either of sulphuretted hydrogen or of a soluble sulphuret. (h) Any liquid possessing an acidity greater than that which is produced by adding two parts by weight of real muriatic acid to 1000 parts by weight of distilled water.
Página 475 - Any liquid which shall exhibit by daylight a distinct colour when a stratum of it, one inch deep, is placed in a white porcelain or earthenware vessel.
Página 475 - Any liquid which after acidification with sulphuric acid, contains in 100,000 parts by weight, more than one part by weight of free chlorine. g. Any liquid which contains in loo.ocoparts by weight, more than one part by weight of sulphur, in the condition either of sulphuretted hydrogen or of a soluble sulphuret.
Página 475 - ... parts by weight of dry mineral matter, or one part by weight of dry organic matter in 100,000 parts by weight of the liquid.

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