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, 1888, 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 minerals d'etain par la voie seche. 



Me"tallurgie, 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 Germany [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 for 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, and 

 the future of industry. 



. Recovery of tin from old cans. 



Eng. Mg. Journ., Vol. 79, 1905, New York, p. 428, 500 words. 



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

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

 containing SnCl 2 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 African 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 Tart de 1'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. 



Givea results obtained in assaying stream-tin for gold by scoriflcation, crucible 

 assay, a wet method, 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. 



