210 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 58 



1436. 



1437. 

 1438. 



1439. 

 1440. 



1441. 

 1442. 



1442a. 



1442b. 



METALLURGY AND CHEMISTRY (Continued) 

 — . Mercurialized tin. ' 



Eng. Mg. Journ., VoL 45, J888, New York, p. 217. 



Note from " Chemical Journal," of Nuremberg stating persons working in a smelt- 

 ing establishment were poisoned by tin containing 1.3 per cent Hg. 



— . Assais des minerais d'etain par la voie seche. 



Metallurgie, Vol. 28, 1897, Paris, pp. 331-333. 



— . Recovering tin from scrap. 



Eng. Mg. Journ., Vol. 76, 1903, New York, p. 58, about 150 words. 



Plants for the recovery of metallic tin are being operated in German}' [seven], 

 Austria [one], England [one]. Germany is drawing supplies for tin recovery plants 

 from England, France and Switzerland. 



— . British patent, 736, 924 of 1903. 



Eng. Mg. Journ., Vol. 76, 1903, New York, p. 360. 

 Electrolytic method of recovering tin from scrap. 



— . Electrolytic production of tin. 



Queensland Gov. Mg. Journ., November, 1904, Brisbane. 



" Description of German patent tor obtaining tin from any substance containing the 

 metal." 

 Not available to the authors. 



— . Electrolytic methods of treating tin scrap. 



Engineer, Vol. 98, 1904, London, pp. 5-6, 2500 words. 



Details of all processes which have been tried industrially; cost of operating 

 the future of industry. 



and 



— . Recovery of tin from old cans. 



Eng. Mg. Journ., Vol. 79, 1905, New York, p. 42S, 50O words. 



" Tin cans are put in 2 per cent solution of SnCl,, which dissolves tin forming 

 SnCl. Then electrolysed, tin falling in crystals .1875 in. long and solution again 

 containing SnCL is pumped back. Carried on at 70° F. Known as Bergse process 

 and used at Copenhagen, Denmark, works. 



. Wet method for the assay of tin in ores, etc. 



South .\frican Mg. Journ., May 2, 1908, Johannesburg, p. %. 



" Gives a simple and reliable process for the determination of tin in tin ores by 

 the wet method." 



. Detinning industry. 



Iron and Coal Tr. Rev., Vol. 78, 1909, London, p. 415, fig. 2. 



" A review of the detinning industry with notes on chlorine detinning and also a 

 ehort note on the Goldschmidt company." 



— . See No. 1294. 



1443. Balling, Carl. Manuel pratique I'art de I'assayeur. 



1881, Paris, pp. 488-500. 

 Methods of assaying tin ores. 



1444. Bannisteb, C. 0. On the assay of auriferous tinstone. 



Trans. Inst. Mg. Met., Vol. 15, 1905-1906, London, pp. 513-519. Discussion pp. 520-523. 



Gives results obtained in assaying stre;-,m-tin for gold by scoriflcation, crucible 

 assay, a wet metliod, concentration of the gold in a part of the tin, and by the 

 collection of the gold in the whole of the tin. Considers the crucible method to 

 be the best. 



