The Assayer's Manual: An Abridged Treatise on the Docimastic Examination of Ores, and Furnace and Other Artificial Products |
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Page x
... Quantity of Lead to be Used • The Quantity of Borax ; The Number of Samples to be Taken ; Table of Charges Practice in Hungary and the Lower Harz ; Crucible Assay Charges of Various Countries Combined Lead and Silver Assay 131 • 132 ...
... Quantity of Lead to be Used • The Quantity of Borax ; The Number of Samples to be Taken ; Table of Charges Practice in Hungary and the Lower Harz ; Crucible Assay Charges of Various Countries Combined Lead and Silver Assay 131 • 132 ...
Page xi
... Quantity of Lead required • 164 165 . 166 · 167 . 168 With an addition of Lead and Silver Coins , the Standard of which is Known ; Roll Assay for Argen- tiferous Gold ; Preliminary Assay ; Weighing the Assay Sample Charging ; Cupelling ...
... Quantity of Lead required • 164 165 . 166 · 167 . 168 With an addition of Lead and Silver Coins , the Standard of which is Known ; Roll Assay for Argen- tiferous Gold ; Preliminary Assay ; Weighing the Assay Sample Charging ; Cupelling ...
Page xiii
... Quantity of the Hydrated Ferric Oxide ; Shade of Coloration of the Hydrated Ferric Oxide ; The Quantity of fluid ; Measuring the Volume of Liquid Removal of Admixtures having a Disturbing Effect - Copper- Manganese • Removal of Lead ...
... Quantity of the Hydrated Ferric Oxide ; Shade of Coloration of the Hydrated Ferric Oxide ; The Quantity of fluid ; Measuring the Volume of Liquid Removal of Admixtures having a Disturbing Effect - Copper- Manganese • Removal of Lead ...
Page xv
... quantity of Sul- phur contained in a substance ; Dry Assay ( Raw Matt Assay ) 258 Wet Assays ; Gravimetric Assay Volumetric Assays . 259 · · 260 XIX . FUELS . ssays of Fuel ; Determination of the amount of Hygroscopic Water ; Yield of ...
... quantity of Sul- phur contained in a substance ; Dry Assay ( Raw Matt Assay ) 258 Wet Assays ; Gravimetric Assay Volumetric Assays . 259 · · 260 XIX . FUELS . ssays of Fuel ; Determination of the amount of Hygroscopic Water ; Yield of ...
Page 19
... quantity of sample with which the assay is made , should represent the average composition of the ore - heap , etc. , from which it is taken . The manner of taking samples varies accord- ing to the character of the substances to be ...
... quantity of sample with which the assay is made , should represent the average composition of the ore - heap , etc. , from which it is taken . The manner of taking samples varies accord- ing to the character of the substances to be ...
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Common terms and phrases
15 grammes 20 grammes added alloy ammonia ammonium antimony aqua regia argol arsenic assay sample beaker-glass bismuth black flux boiled borax cent charcoal charge chloride coal cobalt color common salt containing copper covering of common crucible crucible Fig cubic centimeter 0.061 cubic centimeters cubic inches cupelled decomposed determined diluted Dingler dish dried evaporated to dryness ferric oxide ferrous filtered filtrate flask fluid foreign metals Fresenius furnace fused fusion galena 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 method millimeters mixed mixture muffle muffle-furnace nickel nitric acid percentage placed platinum potassium carbonate potassium cyanide poured powdered precipitated pyrites quantity of lead residue roasted scorifier slag smelting sodium carbonate sodium sulphide solution substances sulphuretted hydrogen sulphuric acid temperature thousandths titrated tube u. h. Ztg vessels washed weighed zinc Ztschr
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