[PDF][PDF] The unsaturated alcohol of the essential oil of freshly fermented tea-leaves

P Romburgh - KNAW, Proceedings, 1920 - dwc.knaw.nl
In 1895 in collaboration with my assistanl at that time, Mr. CEJ I. JOHlVfANN, I investigated
the ethereal oil from fl'eshly fel'mented tea I), a small quantily of which we were successful in …

[PDF][PDF] Triformin (Glyceryl triformate)

P Romburgh - KNAW, Proceedings - dwc.knaw.nl
This agreement makes it aiready very probabie that the RbNTG} llN l'ays aiso ronsist in
transversal vibrations; these experiments however yield a firmer proof for this thesis. If namely we …

Über das einfachste Fett das Glycerintriformiat

P Romburgh - Zeitschrift für Physikalische Chemie, 1910 - degruyter.com
Bei der Ameisensäuredarstellung; nach der klassischen Methode aus Glycerin und Oxalsäure
bildet sich—als Zwischenprodukt—ein Geniisi'. h ameisensaurer Ester des Glycerins, …

[PDF][PDF] On some derivatives of 1-3-5-hexatriene

W Dorssen, P Romburgh - KNAW, Proceedings - dwc.knaw.nl
(111) with diformin, however,. cannot be distilled under those circurnstances, but is
decornposed with evolution of carbon monoxide and dioxide and formation of allyl fOl'mate. If …

[PDF][PDF] On the action of ammonia and amines on formic esters of glcols and glycerol II

P Romburgh - KNAW, Proceedings - dwc.knaw.nl
anel then powelel'ed, were extl'Ucted with col cl alcohol, no HON anel acetone cOlllel be
obtained by enzyme-action frolll ihe alcoholic l'esidue,'Vhen the cxtl'acted powdel'J. fteL'being …

[PDF][PDF] Action of methylethylketone on 2.3. 4.6. Tetranitrophenyl methylnitramine

P Romburgh - KNAW, Proceedings - dwc.knaw.nl
17. From these tables it is evident that the yeloeity of melting at the same temperatUl'e is eet.
par. greater with~-sodinrn than _ with a-sodium. Consequently the ql1untity of hea. t wa. …

[PDF][PDF] On the action of ammonia and amines on allyl formate

P Romburgh - KNAW, Proceedings - dwc.knaw.nl
The gl'eat ease with whieh ally 1 fOl'mate is saponified by allmlis induced me to try whethel'ammonia,
which, as is well-known, acts up on esters of fatty acids but slowl~ T at the ordinary …

Additive compounds of m. Dinitrobenzene

P Romburgh - KNAW, Proceedings - dwc.knaw.nl
(46) " amide d'un acide oxalylbiUl'étigue" prepared by GRllllAUX wl1ieh in the German
literature is wrongly caUed oxalylc. liureïd. The oxalyldillreïd obtained by me nol only shows …

[PDF][PDF] 2.3. 4.6-Tetranitro-phenylmethyl-and ethylnitramine

P Romburgh, JH Schepers - KNAW, Proceedings, 1913 - dwc.knaw.nl
Many years ago appeared a comml1nication 1) from one of 11S (v. R.) on
tetranitrophenylmethylnitramine. This snbstance was tbe first aromatic nitramine wIth four …

[CITAAT][C] The occurence of b-amyrine acetate in some varieties of gutta percha

NH Cohen, P Romburgh - KNAW, Proceedings, 1905