Gold Refining Forum Hanbook Vol 1

Hoke states 4 fluid ounces HCl + 1 fluid ounce HNO3 dissolves 1 troy ounce gold. Hoke states 4-6 pounds of concentrated nitric acid dissolves 1 pound of base metals. Typically imparts a golden yellow color to solutions.

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Contributors, Dorothy D Adams, Marilyn Norstedt, Helen Hoke Watts. And notes on the plates by Sacheverell Sitwell. (framed: 60 x 44.5 x 2 cm.) — [To Rosemary, whose description of me was responsible for this outrage. [signed in gold. Leaf, leaves of plates: ill.

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