Notes on Lead Ores: Their Distribution and Properties (Classic Reprint) - Tapa dura

Sinopsis

Excerpt from Notes on Lead Ores: Their Distribution and Properties

Poisoning by the use of water from them, and the purer the water the greater is the danger. Spring waters, which generally contain varying percentages of carbonates, sulphates, and other salts, do not corrode lead as pure water does. Lead has little taste, but when rubbed it yields a perceptible smell. While it does not soil the fingers, it makes a faint bluish black streak on paper.

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