SOCIETY OF DYERS AND COLOURISTS. Tlio Council of tlic Society of Dycrs nnd Colourists lins prcscntcd t o tho Society n bronze replica of n design for it mcdnl in momory of the Into Sir Willinm. Pcrkin, by F. I\'. Pomcroy, R.A. Tho prcscntntion wns nindc on April 23rd by Prof. 11'. 31. Gnrdncr, on bc
Society of dyers and colourists
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1930
- Weight
- 147 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0368-4075
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โฆ Synopsis
CHEMISTRY AND INDUSTRY 8Q5
been found to give about 95% purification of bcct sugar effluents, thc product being satisfactory for disposal in a river. Gas wor11s' liquors could also bc treated by the bacterial filtcr method, but i t was rather espensive owing t o the short life of the filters. TIierc was a general tendency to dcvelop the biological mctliods of trcatmcnt, as t h y were frcquently very cffectivc for e!3uents containing orgnnic matter.
๐ SIMILAR VOLUMES
coniplcte coiitrol of t.lic' nictliotls of inrcstigntioii i!niployctl. Tlic Iccturc tlcnionstrntcil thc npplicnt,ion '290 CHEMISTnY A N D INDUSTRY April I , 111.10 possessed inorc vitality tlinn ever beforc iii its history.
15,000 I.U. for groups receivhig vitamin-B. The vitainin-A rcscrvcs \verc nlmays lowcr in deficient rnts, of livcr, or Yescrvc per g. of body weight, but piizzIiirig v a r i n t b a occurred between thc d g r e c of di\.ergcllce in different group. Two rats .given tocopherol hnrl reserves equnl to t
A niecting of the JIiinclicstcr Scction of t,hc S0cict.y of Dyers nnd Colourists wiis Iicld on Fcl)ruiiry 20, whcri Nr. J. S. Wilson, of thc Pcot,tisli Dyes, Lttl., rend i t paper entitled " Solnzol Dyestuffs." Nr. F. Scholcficld, NSc., prcsitled. Nr. \ViIsoii stntcd tliiit tlrc discovery of thc iis
npiititc nntl tliiit it wis ~~rncticiilly inipossiblc to idcntify thc coiiipoiinds in silicate scnlc by X-raty ainnlysis. Nr. C. W. 'l'od said tlint tlic ndtlit,iou of two p r t s pc!r aiillion of licsnnictnpIiosI)h;itc WIS to prcvcnt tlic prec~pi tntioii of tcinporiirg linrdncss only. In rcply to t