Note on the McBain-Bakr balance for the sorption of vapours by fibrous and film materials

✍ Scribed by Newsome, P. T.

• Book ID: 102322232
• Publisher: Wiley (John Wiley & Sons)
• Year: 1928
• Weight: 355 KB
• Volume: 47
• Category: Article
• ISSN: 0368-4075
• DOI: 10.1002/jctb.5000472302

✦ Synopsis

of Englnnd ~vcrc so coiiipclling tlint hc had to sct on onc sidc his own pcrsoiinl feelings.

A scpnrntc mcct.ing of thc Iioldcrs of t,hc prcfcrc1icc sharcs was tlicii hcId n t which a rcsoliit~ioi~ ivns ~S S C C ' I approving t l ~c directors' authority to issue. 11p to f5,000,000 of tlic incrcnsetl aiithoriscd cnptnl ns prcfcrcnce slinrcs.

NOTE ON THE McBAIN-BAKR BALANCE

FOR THE SORPTION OF VAPOURS BY

FIBROUS AND FILM MATERIALS*

By P. T. NEWSOME Thc XcUniii-13akr cluar~t,z fibre spring balnucc lins been found very iiscfiil for iiieasuring tlic sorption of vapours by fibrous and film materinls, siicli as ccllulosc and ccllulouc cstcrs. Tho npiiaratiis sho\,ii iu tlic figure is placed insidc a carefully controllcd air thorinostnt.

Gamplcs of tlic inntcrinl arc s~ispcndcil from tho cnlibratcil spring, niid cvncunted tlirougli U by incniis of an oil pump to constnut \wiglit a t n pressiirc of ~0 . 0 1 mm. of iiicrcury. Wlicn 15 is opcncd a smnll amount of tlic wntcr contniued in tlic capillary tiibc bctwccn C! nnil E is ndmittcd to tho aplinratus, tlicrcby producing n definitc prcssurc of wntcr vnpoiir. Tho Cot~irnu~~l~ntlon No, 358 from tlic ICoduk Ilesenruli Liibornlnrlc~.