PUBLISHED BY CROSBY LOCKWOOD & CO. 23 



The Alkali Trade Sulphuric Acid, &c. 



A MANUAL OF THE ALKALI TRADE, including the 

 Manufacture of Sulphuric Acid, Sulphate of Soda, and Bleaching 

 Powder. By JOHN LOMAS, Alkali Manufacturer, Newcastle-upon- 

 Tyne and London. With 232 Illustrations and Working Draw- 

 ings, and containing 386 pages of text. Super-royal 8vo, 

 2.1 I2s. 6d. cloth. [Just published. 



This work provides (i) a Complete Handbook for intending Alkali and Sulphuric 

 Acid Manufacturers, and for those already in the field who desire to improve tJieir 

 plant, or to become practically acquainted with the latest processes and developments 

 of the trade ; (2) a Handy Volume which M amtfacturers can put into the hands of 

 their Managers and Foremen as a useful guide in their daily rounds of duty. 



SYNOPSIS OF CONTENTS. 



Chap. I. Choice of Site and General 

 Plan of Works II. Sulphuric Acid- 

 Ill. Recovery of the Nitrogen Com- 

 pound*, and Treatment of Small Pyrites 



IX. Carbonabng or Finishing X. Soda 

 Crystals XI. Refined Alkali XII. 

 Causcic Soda XIII. Bi-carbonate of 

 Soda XIV. Bleaching Powder XV. 



imall Pyr 



IV. The Salt Cake Process V. Legis- I Utilisation of Tank Waste XVI. General 

 lation upon the. Noxious Vapours Ques- | Remarks Four Appendices, treating of 



lion VI. The Hargreaves' and Jones' 

 Processes VII. The Balling Process 

 VIII. Lixiviation and Salting Down 



Yields, Sulphuric Acid Calculations, Ane- 

 mometers, and Foreign Legislation upon 

 the Noxious Vapours Question. 



"The author has given the fullest, most practical, and, to all concerned in the 

 alkali trade, most valuable mass of information that, to our knowledge, has been 

 published in any language." Engineer. 



" This book is written by a manufacturer for manufacturers. The working details 

 of the most approved forms of apparatus are given, and these are accompanied by 

 no less than 232 wood engravings, all of which may be u?ed for the purposes of con- 

 struction. Every step in the manufacture is very fully described in this manual, and 

 each improvement explained. Everything which tends to introduce economy into 

 the technical details of this trade receives the fullest attention. The book has been 

 produced with great completeness." Athenceum. 



"The author is not one of those clever compilers who, on short notice, will 'read 

 up' any conceivable subject, but a practical man in the best sense of the word. We 

 find here not merely a sound and luminous explanation of the chemical principles of 

 the trade, but a notice of numerous matters which have a most important bearing 

 on the successful conduct of alkali works, but which are generally overlooked by 

 even the most experienced technological authors. This most valuable book, which 

 we trust will be generally appreciated, we must pronounce a credit alike to its author 

 and to the entcrprisirg firm who have undertaken its publication." Chemical 

 Review. 



Chemical Analysis. 



THE COMMERCIAL HANDBOOK of CHEMICAL ANA- 

 LYSIS ; or Practical Instructions for the determination of the In- 

 trinsic or Commercial Value of Substances used in Manufactures, 

 in Trades, and in the Arts. By A. NORM ANDY, Author of " Prac- 

 tical Introduction to Rose's Chemistry," and Editor of Rose's 

 "Treatise on Chemical Analysis." Neiv Edition. Enlarged, and 

 to a great extent re-written, by HENRY M. NOAD, Ph. D., F.R.S. 

 With numerous Illustrations. Cr. 8vo, I2s. 6d. cloth. 



"We recommend this book to the careful perusal of every one ; it may be truly 

 affirmed to be of universal interest, and we strongly recommend it to our readers as a 

 guide, alike indispensable to the housewife as to the pharmaceutical practitioner." 

 Medical Times. 



" Essential to the analysts appointed under the new Act. The most recent results 

 are given, and the work is well edited and carefully written." Nature. 



