The Metallurgy of Lead - 15 Angebote vergleichen

Lieferung aus: Vereinigte Staaten von Amerika, Free shipping.
Von Händler/Antiquariat, BuySomeBooks [52360437], Las Vegas, NV, U.S.A.
This item is printed on demand. 238 pages. Dimensions: 9.6in. x 7.3in. x 0.6in.This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1918 Excerpt: . . . Pb. The loss by volatilization is greater with a charge low in Pb than with one that is high; the loss in Ag depends mainly on the loss of Pb. 151. Calculation of Charge by Algebraic Method. --The ore for which the charge is to be calculated is a carbonate containing some gaWa. Its composition is given in Table 68. A few assumptions have to be made in the calculation in order to simplify the work. The S-content is supposed to be all sulphide-S. If part of this S were sulphate-S, a correction would have to be applied, as in the presence of both sulphide-and sulphate-S, or even of sulphate-S alone, from 15 to 40 and even 50 per cent. of the S passes off as SO2 and does not enter the matte. All the As is accounted for in the speiss, whereas ore blast furnaces in our days are usually run in such a manner as to avoid the formation of speiss, most of the As passing off with the gases, and some entering the lead bullion and matte. The Zn present is figured as entering the slag, in which it replaces an equivalent amount of CaO, though in reality perhaps only 80 per cent. does this; the rest being volatilized or entering the lead bullion, matte and flue-dust. No account is taken of the losses in Pb, Ag and Au. The three metals are assumed to be collected in the lead bullion, though as a matter of fact, one part is lost, and another goes into intermediary products, especially matte and flue-dust. It will be noted that the analysis shows no F. If this were present, a certain amount of Ca, equivalent to that required by F to form CaF2, would be rendered unavailable as basic flux. The actual deviations from assumed figures vary with the character of ore and slag, and the working of the furnace, so that the results of a computation usually do not correspond accurately wit. . . This item ships from La Vergne,TN.

Lieferung aus: Vereinigte Staaten von Amerika, Usually ships in 1-2 business days, Real shipping costs can differ.
Von Händler/Antiquariat, super_star_seller.
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1918 Excerpt: ...Pb. The loss by volatilization is greater with a charge low in Pb than with one that is high; the loss in Ag depends mainly on the loss of Pb. 151. Calculation of Charge by Algebraic Method.--The ore for which the charge is to be calculated is a carbonate containing some gaWa. Its composition is given in Table 68. A few assumptions have to be made in the calculation in order to simplify the work. The S-content is supposed to be all sulphide-S. If part of this S were sulphate-S, a correction would have to be applied, as in the presence of both sulphide-and sulphate-S, or even of sulphate-S alone, from 15 to 40 and even 50 per cent. of the S passes off as SO2 and does not enter the matte. All the As is accounted for in the speiss, whereas ore blast furnaces in our days are usually run in such a manner as to avoid the formation of speiss, most of the As passing off with the gases, and some entering the lead bullion and matte. The Zn present is figured as entering the slag, in which it replaces an equivalent amount of CaO, though in reality perhaps only 80 per cent. does this; the rest being volatilized or entering the lead bullion, matte and flue-dust. No account is taken of the losses in Pb, Ag and Au. The three metals are assumed to be collected in the lead bullion, though as a matter of fact, one part is lost, and another goes into intermediary products, especially matte and flue-dust. It will be noted that the analysis shows no F. If this were present, a certain amount of Ca, equivalent to that required by F to form CaF2, would be rendered unavailable as basic flux. The actual deviations from assumed figures vary with the character of ore and slag, and the working of the furnace, so that the results of a computation usually do not correspond accurately wit... Paperback, Label: RareBooksClub.com, RareBooksClub.com, Product group: Book, Published: 2012-03-06, Studio: RareBooksClub.com.

Lieferung aus: Vereinigtes Königreich Großbritannien und Nordirland, Shipping costs to: USA.
Von Händler/Antiquariat, Phatpocket Limited.
RareBooksClub.com. New. New. Book is new and unread but may have minor shelf wear. Ships from UK in 48 hours or less (usually same day). Your purchase helps support the African Children's Educational Trust (A-CET). 100% money back guarantee. We are a world class secondhand bookstore based in Hertfordshire, United Kingdom and specialize in high quality textbooks across an enormous variety of subjects. We aim to provide a vast range of textbooks, rare and collectible books at a great price. Through our work with A-CET we have helped give hundreds of young people in Africa the vital chance to get an education. We provide a 100% money back guarantee and are dedicated to providing our customers with the highest standards of service in the bookselling industry.

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Von Händler/Antiquariat, Amazon.com.
This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book. Paperback, Label: Nabu Press, Nabu Press, Product group: Book, Published: 2010-04-02, Studio: Nabu Press, Sales rank: 14625902.

Lieferung aus: Kanada, In Stock, plus shipping.
Heinrich Oscar Hofman, Books, History, Metallurgy of Lead, This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book.

Von Händler/Antiquariat, Phatpocket Limited [8420744], Waltham Abbey, HERTS, United Kingdom.
New. Book is new and unread but may have minor shelf wear.

Lieferung aus: Vereinigte Staaten von Amerika, plus shipping, Shipping area: DOM.
Von Händler/Antiquariat, Through The Stacks LLC, NY, Brockport, [RE:3].
We ship worldwide with delivery confirmation. We answer all e-mails in one business day. Trade paperback.

Lieferung aus: Kanada, In Stock, plus shipping.
H. O. Hofman, Books, Metallurgy of Lead (Classic Reprint), Metallurgy of Lead (Classic Reprint).

Lieferung aus: Kanada, In Stock, plus shipping.
Heinrich Oscar Hofman, Books, Health and Well Being, Metallurgy of Lead, Metallurgy of Lead.

Lieferung aus: Vereinigte Staaten von Amerika, Shipping costs to: USA.
Von Händler/Antiquariat, Ergodebooks.
Nabu Press, 2010-04-02. Paperback. Good.