Book-bot.com - A Textbook of Assaying: For the Use of Those Connected with Mines. by Beringer, John Jacob;Beringer, Cornelius

A Textbook of Assaying: For the Use of Those Connected with Mines. by John Jacob Beringer;Cornelius Beringer
page 19 of 691 (02%)

Purple Ore 5 grams
19/10/89 0.0042 grm.
0.0021 "
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Colorimetric 0.0063 â 20 = 0.13% Copper
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482
Tough Copper 10 grams
Feb. 1/89 10.5 c.c. Uranium.
= 0.52% Arsenic
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2082
Tough Copper 10 grams
12.7 c.c. Uranium.
= 0.63% Arsenic
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491 10 grams
Tough Copper 13.7 c.c. Uranium
Feb. 1/89
= 0.68% Arsenic
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Standard of Uranium acetate.
0.150 gram As_{2}O_{3} = 23.3 c.c. Uranium.
.'. 100 cc. Uranium = 0.5 gram As.
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