A Text-Book of Fire Assaying

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1915 Excerpt: ...WHEN HEATED IN AIR. Nickel is by far the hardest metal to eliminate in scorification and none of the above figures exactly explain this. It is very much harder to slag than either copper or cobalt 1 In Oxygea. Notes. 1. Litharge being a strong base has a groat affinity for the silica of the scorifier and especially ...

A Text-Book of Fire Assaying 2017, Andesite Press

ISBN-13: 9781376174892

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A Text-Book of Fire Assaying 2012, Rarebooksclub.com, Miami FL

ISBN-13: 9781130632996

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