The Assayer's Manual: An Abridged Treatise on the Docimastic Examination of Ores, and Furnace and Other Artificial Products |
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Page viii
... Flux ( Potassium Carbonate and Flour ) and Metallic Iron , in Clay Crucibles . Practice in different Countries · Upper Harz , Assay with Potassium Carbonate ; Charge . Galena containing large quantities of Earths ; Lead Monosul- phide ...
... Flux ( Potassium Carbonate and Flour ) and Metallic Iron , in Clay Crucibles . Practice in different Countries · Upper Harz , Assay with Potassium Carbonate ; Charge . Galena containing large quantities of Earths ; Lead Monosul- phide ...
Page 37
... flux ( borax , glass , etc. ) , than absorbed by the porous vessel used for fusing ( cupels ) . b . Reducing fusion . - This operation is seldom execu- ted by itself with reducing agents ( coal , flour , colophony , potassium cyanide ) ...
... flux ( borax , glass , etc. ) , than absorbed by the porous vessel used for fusing ( cupels ) . b . Reducing fusion . - This operation is seldom execu- ted by itself with reducing agents ( coal , flour , colophony , potassium cyanide ) ...
Page 38
... flux ) , or the slag- ging off of earthy and other admixtures is effected ( borax , glass , alkalies ) . e . Mixing fusion , to prepare alloys by fusing different metals together ( gold and silver in quartation ) . f . Remelting , in ...
... flux ) , or the slag- ging off of earthy and other admixtures is effected ( borax , glass , alkalies ) . e . Mixing fusion , to prepare alloys by fusing different metals together ( gold and silver in quartation ) . f . Remelting , in ...
Page 76
... flux . For vigorous reduction it is made from 1 part of saltpetre and 3 parts of argol ; for less vigorous , either of 1 and 2 , or 1 and 2 parts respectively . Another flux Muspratt's techn . Chemie , 3d Aufl . Bolley , Handb . der ...
... flux . For vigorous reduction it is made from 1 part of saltpetre and 3 parts of argol ; for less vigorous , either of 1 and 2 , or 1 and 2 parts respectively . Another flux Muspratt's techn . Chemie , 3d Aufl . Bolley , Handb . der ...
Page 77
... flux , consists of 1 to 2 parts of saltpetre , and 1 part of argol ; gray flux has 3 of argol to 2 of saltpetre . A mixture of argol and saltpetre , before it is deflagrated , is called raw flux . As black flux , on account of its ...
... flux , consists of 1 to 2 parts of saltpetre , and 1 part of argol ; gray flux has 3 of argol to 2 of saltpetre . A mixture of argol and saltpetre , before it is deflagrated , is called raw flux . As black flux , on account of its ...
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Common terms and phrases
2.5 grammes 20 grammes added alloy ammonia ammonium antimony aqua regia argol arsenic assay sample beaker-glass bismuth black copper black flux boiled borax burette cent charcoal charge chloride coal cobalt color common salt containing copper covering of common crucible crucible Fig cubic centimeters cubic inches cupelled decanted decomposed determined diluted Dingler dried evaporated to dryness ferric oxide ferrous filtered filtrate flask fluid foreign metals Fresenius furnace fused fusion glass gold gramme 15.43 grains gramme 7.71 grains grammes 154.32 grains grammes 77.16 grains granulated lead heated hydrate hydrochloric acid ignited iron lead button liquid litharge mercury metallic sulphides meters method millimeters mixed mixture muffle muffle-furnace nickel nitric acid percentage placed platinum porcelain potassium carbonate potassium cyanide poured powdered precipitated pyrites refractory residue scorifier slag smelting sodium carbonate sodium sulphide substances sulphate sulphuretted hydrogen sulphuric acid temperature titrated tube u. h. Ztg volumetric washed weighed zinc Ztschr
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