The Assayer's Manual. An Abridged Treatise on the Docimastic Examination of Ores, and Furnace and Other Artificial Products |
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Page xiii
... fluid ; Measuring the Volume of Liquid Removal of Admixtures having a Disturbing Effect - Copper- Manganese • Removal of Lead ; The Zinc used for fixing the Standard Solu- tion ; Arrangement of the Light in the Room ; Assay with ...
... fluid ; Measuring the Volume of Liquid Removal of Admixtures having a Disturbing Effect - Copper- Manganese • Removal of Lead ; The Zinc used for fixing the Standard Solu- tion ; Arrangement of the Light in the Room ; Assay with ...
Page 22
... fluid mass ( slag , 1 Bezahlungstarife für den Einkauf von fremden Erzen u . Gekrätzen auf den fiscalischen Hüttenwerken bei Freiberg . Clausthal , 1870. Oestr . Ztschr . 1869 , No. 44. Engl . Standard f . Zinnerze , B. u . h . Ztg ...
... fluid mass ( slag , 1 Bezahlungstarife für den Einkauf von fremden Erzen u . Gekrätzen auf den fiscalischen Hüttenwerken bei Freiberg . Clausthal , 1870. Oestr . Ztschr . 1869 , No. 44. Engl . Standard f . Zinnerze , B. u . h . Ztg ...
Page 23
... fluid state , especially after they have been stirred . But when solidified , they show a different composition in different places ( edge , centre , top , bottom ) . In sampling , this must be taken into consideration . 1. Sampling by ...
... fluid state , especially after they have been stirred . But when solidified , they show a different composition in different places ( edge , centre , top , bottom ) . In sampling , this must be taken into consideration . 1. Sampling by ...
Page 36
... fluid state , into iron or bronze moulds , where the separation then takes place . Some- times the fluid , oxidized substances are absorbed by the porous sides of the assay - vessel , leaving the metal button behind ( cupellation of ...
... fluid state , into iron or bronze moulds , where the separation then takes place . Some- times the fluid , oxidized substances are absorbed by the porous sides of the assay - vessel , leaving the metal button behind ( cupellation of ...
Page 39
... fluid then partly filtered ; but in doing this great care must be observed . The residue is again treated with acid , evaporated to dryness , the sulphur burned , etc. If it is necessary to exclude the air , the apparatus represented in ...
... fluid then partly filtered ; but in doing this great care must be observed . The residue is again treated with acid , evaporated to dryness , the sulphur burned , etc. If it is necessary to exclude the air , the apparatus represented in ...
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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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