Manufacture of Potasium salts from suint

• Publisher: Wiley (John Wiley & Sons)
• Year: 1883
• Weight: 262 KB
• Volume: 2
• Category: Article
• ISSN: 0368-4075
• DOI: 10.1002/jctb.5000020314

✦ Synopsis

THE JOURNAL OF THE SOCIETY OP CHEMICAL INDUSTRY.

123 n wid0 applicntion in topicnl cnlico priittiii Thcse salts nro subjccte(1 to n(~ii~terntion in t%o trndo, niid conscqnoiitly i t is very rlcsirnblc to bc in a position to cstinintc qiiiclcly niid ncciirntcly tlic nniount of sulphocynnic ncid, on mliicli tlic renl valuo of tlicsc coy1ounds tlopcnds.

llic nutliors linvo from timo to tinio givon this siibject n cliio nniount of considcrntion, aiid t h y Itnvc IIOW adopted n process llpoti wlticli t h y CRII 11litec rclinncc, niid which will bc, ti0 doiibt,, vnlanble to tlrosc wlio are cnllcd upon to osmiiiiio frerlucntly snniples 01 sullihocyiutidcs, ns i t is casy nix1 rnpid of csccution with good rcsults.

Tho ~notltod depends upon tho fnct that wlien n soltition of n ciipric snlt 1s ndclcd to n solution of n stilpliocynnidc in prcscnco of n rcducing ngctit, ns sodium bisnlpltitc,~ tlic insoliiblc cuprous snlt 01 sulphocyniiic acid IS 1rrccipitatcd, tho and of tlto rc. action boing. nscortniiied by n drop of thc solution it: tlic llnsk giving n brown colourntion w h y brought iii contact with n drop of fcrrocynnidc. i h o followili~ renetions tnko place-?CIISO +SliSUS+SIl so.