CHEMISTRY AiiD IXDUSTRY ## 405 Dict,ionnry " to the prcscnt one. A wide range is covered, inclucling mincrnls, proprietary products, appmatus, theoretical definitions, as well ns clicmicals of inany kinds. ' It is cvidcnt thiit there is n public
Kolloide in der technik. By Dr. R. E. Liesegang. Wissenschaftliche Forschungsberichte, Naturwissenschafliche reihe edited by Dr. R. E. Laesegang. Pp. 157. Dresden and Leipzig: Theoder steinkopff, 1923. Price 3s. 6d
β Scribed by Greenwood, H. W.
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1923
- Weight
- 128 KB
- Volume
- 42
- Category
- Article
- ISSN
- 0368-4075
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β¦ Synopsis
forius tlic fourtli clinptcr. IVc hnvc to wnit till tlic sistli atid scrciitli chnptcrs to nrrirc n t tlic propcrtics of tlic compounds of osygcii niid nitrogcn rcspcctivcly. In tlic eighth clinptcr part of tlic foiirtli group is dcnlt with, mid cnrbon diosidc, Iinving bccii dcnlt witli undcr tlic Iicnding of nir, is omittctl. Tlicn nftcr tho iiicrt gnscs conic tho
π SIMILAR VOLUMES
boii~iil." llnt it is liiglily prolinblc t h t sonic of this witcr, iiltlioiifili nviiilnblc flJr the solution of siibstances of low niolcculnr \wiglit, is yet '' bound " to colloitlril const,it.uciits i n thc sense that the wntcr ~noleciilcs :ire polnriseil or oricntritd towrrls intrrn:il siirfnccs
UKEBlISTRY AND .INDUSTRY 663 plants, nlgm, dintonis, dcsinids, infusorin, rotifern, biigozon, cntomostrnca, Iiydrncnrina, and so 011. For t.hose interested in tlic fiorn nud fauna of fresh water, t.he book provides n llandy introduction to tlic subject. Tlicrc arc niinierous ihstrntions, both line d
of the wceds for whicli cnclt srtl~stariec is particulnrly toxic nntl nctiinl esnniplcs nntl figures showing thc efficiency of cncli sul)stnncc. Linlc acts hy virtnc of ncut.mlizing soil acidity ; sulpltnte of nrninonin is probnldy tAic best substnncc for pt!nc!rnl nsc ; sulplturic ncid is part icii
CHEMISTRY AND INDUSTRY ## GPS this striking nqprochemcnt should have occurred in that '' country of dark soil " which is reputed to have bequeathed its forrncr iianic of Iilicm to the ancient " black art " of alchemy, and thus indirectly to the modern science of chemistry.