Metallurgical Analysis and Assaying: A Three Years' Course for Students of Schools of MinesC. Griffin, limited, 1903 - 318 Seiten |
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Seite 69
... percentage of an element or compound present in a considerable mass of the substance given , and ( except in the case of chemical salts ) it is the safe course to assume that the element to be estimated is distributed unevenly ...
... percentage of an element or compound present in a considerable mass of the substance given , and ( except in the case of chemical salts ) it is the safe course to assume that the element to be estimated is distributed unevenly ...
Seite 82
... percentage he may take 3 to 5 gm . He must so regulate the quantity that the precipitates obtained are not too bulky . A large precipitate is difficult to wash , dry , and ignite , and again , on the other hand , with a very small ...
... percentage he may take 3 to 5 gm . He must so regulate the quantity that the precipitates obtained are not too bulky . A large precipitate is difficult to wash , dry , and ignite , and again , on the other hand , with a very small ...
Seite 96
... percentage error thus introduced may be serious . ure . The precipitate is sometimes weighed ( without ignition ) on counterpoised papers ( or on a weighed filter paper ) ; but as paper is hygroscopic , this method should be replaced by ...
... percentage error thus introduced may be serious . ure . The precipitate is sometimes weighed ( without ignition ) on counterpoised papers ( or on a weighed filter paper ) ; but as paper is hygroscopic , this method should be replaced by ...
Seite 100
... percentage of lead ( Pb ) in the ore ( or salt ) . Now , PbSO1 = Pb + S + O4 . 303 gm . = 207 +32 +64 gms . Then ... percentages . As will be seen shortly , the methods giving accurate results to the second decimal place are few in ...
... percentage of lead ( Pb ) in the ore ( or salt ) . Now , PbSO1 = Pb + S + O4 . 303 gm . = 207 +32 +64 gms . Then ... percentages . As will be seen shortly , the methods giving accurate results to the second decimal place are few in ...
Seite 101
... Percentage Pb = Log % Pb . = 73.24 . 1 500 ' As in some one or more of the many operations necessary , error may occur , it is evident that these results do not represent the true quantities of the various constituents , but differ from ...
... Percentage Pb = Log % Pb . = 73.24 . 1 500 ' As in some one or more of the many operations necessary , error may occur , it is evident that these results do not represent the true quantities of the various constituents , but differ from ...
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Metallurgical Analysis and Assaying: A Three Years Course for Students of ... W. A. Macleod Keine Leseprobe verfügbar - 2016 |
Metallurgical Analysis and Assaying: A Three Years' Course for Students of ... William A MacLeod Keine Leseprobe verfügbar - 2016 |
Häufige Begriffe und Wortgruppen
accuracy acid alkaline ammonia ammonium analysis antimony apparatus aqua regia assay bead beaker boiling borax bunsen burette button c.cs calculated carbon CHARLES GRIFFIN chemical chemist chloride CO₂ colour containing cool copper crucible cupel Cyanide dilute dissolved distilled water drop Engineer estimated evaporate excess EXETER STREET filter paper filtrate flame flask funnel furnace glass gold Gooch crucible grains grams H₂O H₂SO heat HNO3 hydrate hydrochloric acid ignition insoluble iron lead liquid litharge litre metals method minutes muffle Na,CO nitric acid obtained oxide oxidised oxygen percentage pipette platinum porcelain potassium powder practice precipitate present quantity reaction reagents reduced Remove residue salt sample scorifiers silicates silver SiO2 slag sodium soluble solution Sp.S standard student substance sulphate sulphide sulphur sulphuric acid temperature titration Transfer tube volumetric wash weight wire zinc
Beliebte Passagen
Seite 63 - GENERAL CONTENTS.— The Relation of Metallurgy to Chemistry. — Physical Properties of Metals. — Alloys. — The Thermal Treatment of Metals. — Fuel and Thermal Measurements. — Materials and Products of Metallurgical Processes. — Furnaces. — Means of Supplying Air to Furnaces.
Seite 59 - Professor of Mining and Director of the Otago University School of Mines ; late Director Thames School of Mines, and Geological Surveyor and Mining Geologist to the Government of New Zealand.
Seite 38 - SECOND EDITION, Cloth, 8s. 6d. Leather, for the Pocket, 8s. 6d. GRIFFIN'S ELECTRICAL PRICE-BOOK: For Electrical, Civil, Marine, and Borough Engineers, Local Authorities, Architects, Railway Contractors, &c., &c. Edited by HJ DOWSING. " The ELECTRICAL PRICE-BOOK REMOVES ALL MYSTERY about the cost of Electrical Power.
Seite 43 - Of the Inner Temple and Northern Circuit ; Barrister-at-Law. General Contents.— The Qualification for the Position of Shipmaster— The Contract with the Shipowner— The Master's Duty In respect of the Crew : Engagement Apprentices; Discipline; Provisions, Accommodation, and Medical Comforts ; Payment of Wages and Discharge — The Master's Duty in respect of the...
Seite 44 - KNOW YOUR OWN SHIP. BY THOMAS WALTON, NAVAL ARCHITECT. Specially arranged to suit the requirements of Ships' Officers, Shipowners, Superintendents, Draughtsmen, Engineers, and Others. This work explains, in a simple manner, such important subjects as: — Displacement. — Deadweight.— Tonnage.— Freeboard. —Moments. — Buoyancy.— Strain Structure.— Stability.— Rolling.— Ballasting. — Loading. — Shifting Cargoes. — Admission of Water.— Sail Area.
Seite 82 - A MANUAL OF DYEING; fOR THE USE OF PRACTICAL DYERS, MANUFACTURERS, STUDENTS, AND ALL INTERESTED IN THE ART OF DYEING. BY E.
Seite 73 - Milk. III. Normal Milk: its Adulterations and Alterations, and their Detection. IV The Chemical Control of the Dairy. V, Biological and Sanitary Matters. VI. Butter. VII. Other Milk Products. VIII. The Milk of Mammals other than the Cow. — Appendices. — Tables. — Index. ". . . In our opinion the book is the BEST CONTRIBUTION ON THE SUBJECT THAT HAS YET APPEARED in the English language.
Seite 67 - THE HEAVY METALS: Copper, Silver, Gold, Zinc and Cadmium, Mercury, Tin, Lead, Bismuth, Antimony, Chromium, Molybdenum, Tungsten, Uranium, Manganese, Iron, Nickel, and Cobalt, the Platinum Group. " COMPREHENSIVE and AUTHORITATIVE...
Seite 26 - The new edition of Mr. Fidler's work will again occupy the same CONSPICUOUS POSITION among professional text-books and treatises as has been accorded to its predecessors. SOUND, SIMPLE, AND FULL.
Seite 59 - Illustrations. 21s. net. CYANIDING GOLD & SILVER ORES. A Practical Treatise on the Cyanide Process ; its Application, Methods of Working, Design and Construction of Plant, and Costs. BY H. FORBES JULIAN, Mining and Metallurgical Engineer ; Specialist in Gold : Late Technical Adviser of the Deutsche Gold und Silber Scheide Anstalt, Frankfort-on-Maine.