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How To Obtain Gold From Lead Ores in america

Assay for certain Metals other than Gold or Silver To find the amount of lead in Galena the usual lead ore Charge powdered ore two or three times the weight of carbonate of soda three iron nails tenpenny placed in the top for taking up the sulphur and a cover of salt or borax The assay may be conducted in a muffle or other furnace... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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