No coin nor oath required. For personal study only.
Tho systctit uscd in tlic cspcritiicnts wns tltc sniiio tliroiighoat, nttd is tlint coininonly cniployctl iti tlctcrttiitiing tlic specific grnvity of tnnlt-ostract. Tltc cstrnct iris tlicn b o i M witli Iio IS in tIio proportion iisctl i n pmcticc, niid n dclitiitc hiilk of Iioplicd wort cwporntcd and lccpt nt 100" C. till dry. 11 i~ortion \us tlicti abstmetctl, ground fino, niitl burtit with soih liine.
In nccorilnncc with oiir cspcctntions mc obtniticcl p l o worts from tltc hard wntcrs-iiiorc cspccinlly lroiii tho syxitlicsiscd ~iingiicsiuiii mtcr. Tlio wntcr trcatcd irith calcinni nitratc gnvc nil extract sciirccly r~nrl;cr tlinii thc iitngncsitiiii worts, mil this was contrnry to \*lint is gcncmlly supposcd. Wc found that sodititii cnrbonatc lias n most deterrent nctioii upoti diastnsc. The solutioiis wcro, ,all tlnrk, ntid iiiucli stnrclt wns left iiticoiivcrtcd. lliis cloggcd tho filtcre, nntl no trustworthy rcsiilts could bo ol)taiticd with wntor cotitnining tiiorc tlinti 1-1 griiitis to tlic gdlon.
1:oforc 1)rocccdirig to t h o results of tlic tiitrogcii tlctcrtiiintiotis it will I)c of ntlvnntnga to givc tho deiisitics of tho worts, nntl it will bc sccii tlint tlic silttic wnters posscss tlifl'ercnt solvctit propertics ns rcgnrcls totnl cstrnctivcs on tlia OIIC Iinnd iriiil nlbnttictioitls on tho otlicr. Tlic followiiiq ivcro tlic specific grnvitics of tlic worts, nftcr alloying for tlic spccilic gravity of thc writcry :-
📜 SIMILAR VOLUMES
## Abstract The condensation products of rhodanine and some of its derivatives with benzaldehyde sulphonic acids have been prepared with a view to obtaining compounds of increased fungicidal properties. The products differ from the majority of previously prepared rhodanine‐aldehyde condensation pro