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THE ACTION OF CAUSTIC SODA LYE ON COTTON

✍ Scribed by Hübner, Julius ;Teltscher, F.

Book ID
102883767
Publisher
Wiley (John Wiley & Sons)
Year
1909
Weight
542 KB
Volume
28
Category
Article
ISSN
0368-4075

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✦ Synopsis

Tlic crtcnt to which cnustic sodn is nbsorbcd by cotton from strong lycs, nntl tlic dcgrco of tcnncity with trliicli tho nbsorllcd s o h is rctninctl by the fibrc, wcro first stutlicd qunntitntirely by J. 11. Glndstonc (J. Chcni. Soc., 5, 17). Glndstonc's nicthod of ernminotion consisted in imnicrsing 20 grin. lots of cotton in cnustic sotla soltitions of mrious conccntrntions, esprcssing the liquor nnd rcpcntcdly wnshing the nintcrinl with nbsolutc nlcoliol. Aftcr clryinF in n rnciiiim the nniount. of s o h rctnincrl wns tletcrnnncd citlicr by noting tho incrcnsc in w i g h t of thc cotton, or by ivnshing thc sodn out with wntur, ernpornting with sulphuric ncid, n i d weighing n s sodium sulplintc. On stccping cotton in n lye too diluto to produco Jlcrcrr's wcl:-known effect nnd subsequently tron!ing ns nliore indicnteil. no incrcnso in \wight Ivns obscrwtl, nncl Glndstonc thcrcforo concludcd tltnt s o h wns not nbsorbccl

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