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Verkade, P.E.; Hartman, H.; Coops, J., Jr., Chemistry - The molecular heat of combustion of successive terms of homologous series, Kom. Med. Akad. Ueknschap. Proc., 1924, 27, 859-866. [all data]

Verkade, P.E., An amendment to the lyons decision (1922) regarding the thermochemicalstandard substance, Recl. Trav. Chim. Pays-Bas, 1925, 44, 800-804. [all data]

Verkade, P.E.; Coops, J.; Hartman, H., VIII. The paraffin oil method; an aid in the determination of the heats of combustion of difficultly combustible and hygroscopic substances, Recl. Trav. Chim. Pays-Bas, 1925, 44, 206-216. [all data]

Cohen, E.; Verkade, P.E.; Miyake, S.; Coops, J., Jr.; Hoeve, J.A.v.d., The use of salicylic acid as a standard in calorimetry, Verslag. Akad. Wet. Amsterdam, 1926, 35, 48-53. [all data]

Verkade, P.E.; Coops, J.; Hartman, H., Calorimetric researches. XIII. Heats of combustion of successive terms of homologous series: Dimethyl esters of the oxalic acid series. A general survey of the oscillation phenomena, Recl. Trav. Chim. Pays-Bas, 1926, 45, 585-606. [all data]

Verkade, P.E.; Hartman, H.; Coops, J., Calorimetric researches. X. Heats of combustion of successive terms of homologous series: dicarboxylic acids of the oxalic acid series, Rec. Trav. Chim. Pays/Bas, 1926, 45, 373-393. [all data]

Verkade, P.E.; Coops, J., Jr., Calorimetric researches XIV. Heats of combustion of successive members of homologous series: the normal primary aliphatic alcohols, Recl. Trav. Chim. Pays-Bas, 1927, 46, 903-917. [all data]

Verkade, P.E.; Coops, J., Jr.; Maan, Chr.J., Calorimetrische Untersuchungen. XV. Thermochemische studien uber cycloparaffine und ihre derivate: 1. Experimentelle daten fur funf- und sechsgliedrige cyclische diole, Ann., 1928, 467, 217-239. [all data]

Verkade, P.E.; Coops, J., Jr., Further remarks on the method proposed by swietoslawski for the correction of the older thermochemical data, Recl. Trav. Chim. Pays-Bas, 1928, 47, 701-708. [all data]

Verkade, P.E.; Coops, J., Jr., The ratio of the heats of combustion of benzoic acid and salicylic acid, Recl. Trav. Chim. Pays-Bas, 1928, 47, 709-714. [all data]

Verkade, P.E.; Coops, J., Jr., Calorimetric researches XVIII. Some measurements on the two hydrobenzoins, Recl. Trav. Chim. Pays-Bas, 1929, 48, 1031-1034. [all data]

Verkade, P.E.; Coops, J., Jr.; Verkade-Sandbergen, A., Calorimetrische Untersuchungen. XVII und XIX. Thermochemische Studien uber Cycloparaffine un ihre Derivate. XVII. Experimentelle Daten fur funf-und sechsgliedrige cyclische Diacetate., Ann., 1930, 477, 279-297. [all data]

Verkade, P.E.; Coops, J., Jr., Alternation phenomena VI (calorimetric researches XX): alternations in the properties of n.monoalkylmalonic acids. Some remarks on malkins views concerning the alternation phenonema, Recl. Trav. Chim. Pays-Bas, 1933, 52, 747-767. [all data]

Verkade, P.E.; Hartman, H., Calorimetric researches XXI. Heats of combustion of methyl-, ethyl- and phenyl-substituted succinic acids and of their anhydrides: a. Experimental data, Rec. Trav. Chim. Pays/Bas, 1933, 52, 945-968. [all data]

Bekkum, H.V.; Hoefnagel, M.A.; De Lavieter, L.; Van Veen, A.; Verkade, P.E.; Wemmers, A.; Wepster, B.M., Studies on cyclohexane derivatives. Part VI. cis- and trans-1,4-Di-t-butylcyclohexane. Preparation and properties, Recueil, 1967, 87, 1363-1371. [all data]

Van Bekkum, H.; Hoefnagel, M.A.; De Lavieter, L.; Van Veen, A.; Verkade, P.E.; Wemmers, A.; Wepster, B.M.; Palm, J.H.; Schafer, L.; Dekker, H.; Mosselman, C.; Somsen, G., Studies on cyclohexane derivatives. Part VI. cis- and trans-1,4-di-t-butylcyclohexane. Preparation and properties, Recueil, 1968, 87, 1363-1371. [all data]

Verkade, P.E.; Coops, J., Jr.; Hartman, H., Calorimetric researches. I. The standardization of a calorimetric system; comparison of the heats of combustion of substances used in the standardization: bonzoic acid and napthalene, Recl. Trav. Chim. Pays-Bas, 1915, 41, 241-277. [all data]

Verkade, P.E., Verbrandingswarmten van plaatsings-isomere benzol-derivaten en de theorie der geinduceerde alterneeren de polatiteit, Verslag Akad. Wetenschappen Amsterdam, 1926, 35, 492-504. [all data]

Coops, J.; Verkade, P.E., Calorimetric researches. - IX. The heat of combustion of f. and meso-tartaric acids, reacemic acid and a number of their derivatives, Recl. Trav. Chim. Pays-Bas, 1925, 983-1011. [all data]

van Bekkum, H.; Hoefnagel, M.A.; de Lavieter, L.; van Veen, A.; Verkade, P.E.; Wemmers, A.; Wepster, B.M.; Palm, J.H.; Schäfer, L.; Dekker, H.; Mosselman, C.; Somsen, G., Studies on cyclohexane derivatives. Part VI: cis- and trans-1,4-Di-t-butylcyclohexane. Preparation and properties, Recl. Trav. Chim. Pays-Bas, 2010, 86, 12, 1363-1371, https://doi.org/10.1002/recl.19670861213 . [all data]

Van Bekkum, H.; Hoefnagel, M.A.; de Lavieter, L.; Van Veen, A.; Verkade, P.E.; Wemmers, A.; Wepster, B.M.; Palm, J.H.; Schafer, L.; Dekker, H.; Mosselman, C.; Somsen, G., Rec. Trav. Chim. Pays-Bas, 1968, 1363. [all data]

Van Bekkum, H.; Kleis, A.A.B.; Massier, A.A.; Verkade, P.E.; Wepster, B.M., Cyclohexane derivatives. I. A chemical proof of the configuration of the two 1,4-dimethylcyclohexanes, Recl. Trav. Chim. Pays-Bas, 1961, 80, 588-94. [all data]

Van Bekkum, H.; Kleis, A.A.B.; Massier, A.A.; Verkade, P.E.; Wepster, B.M., Cyclohexane derivatitives. II. Preparation and chemical proof of the configuration of the two 4-methylcyclohexanecarboxylic acids, Recl. Trav. Chim. Pays-Bas, 1961, 80, 595-607. [all data]

Morel, Th.; Verkade, P.E., A New Method for Synthesis of Furan Derivatives III., Recl. Trav. Chim. Pays-Bas, 1951, 70, 35. [all data]

Verkade, P.E.; Hartmann, H., Calorimetric Investigations XXI. Heats of COmbustion of Methyl-, Ethyl-, and Phenyl- Substituted Succinic Acids and of Their Anhydrides, Recl. Trav. Chim. Pays-Bas, 1933, 52, 945. [all data]

Verkade, P.E.; Coops, J., Oscillation-phenomena: V solubility of a number of dicarboxylic acids of the oxalic acid series in various solvents, Recl. Trav. Chim. Pays-Bas, 1930, 49, 578. [all data]

Verkade, P.E.; Coops, J., Oscillation phenomena: IV melting points and solubility at 25 c in water and in benzene of a series of n-monoalkyl malonic acids, Recl. Trav. Chim. Pays-Bas, 1930, 49, 568. [all data]

Verkade, P.E.; Coops, J., The ratio of the heats of combustion of benzoic acid and salicylic acid, Recl. Trav. Chim. Pays-Bas, 1928, 47, 709. [all data]

Verkade, P.E.; Coops, J., Calorimetric researches, Recl. Trav. Chim. Pays-Bas, 1927, 46, 903. [all data]

Verkade, P.E.; Coops, J., Recl. Trav. Chim. Pays-Bas, 1927, 46, 528. [all data]

Cohen, E.; Verkade, P.E.; Miyake, S.; Coops, J.; Van der Hoeve, J.A., The use of salicylic acid as the primary material in calorimetric measurements, Z. Phys. Chem., Stoechiom. Verwandtschaftsl., 1927, 126, 290-6. [all data]

Verkade, P.E.; Coops, J., Recl. Trav. Chim. Pays-Bas, 1926, 45, 551. [all data]

Verkade, P.E.; Hartmann, H.; Coops, J., Recl. Trav. Chim. Pays-Bas, 1926, 45, 373. [all data]

Verkade, P.E.; Hartmann, H.; Coops, J., Recl. Trav. Chim. Pays-Bas, 1926, 45, 585. [all data]

Coops, J.; Verkade, P.E., Recl. Trav. Chim. Pays-Bas, 1925, 44, 983. [all data]

Verkade, P.E.; Hartmann, H.; Coops, J., Proc. Acad. Sci. Amsterdam, 1924, 27, 859-66. [all data]

Verkade, P.E.; Coops, J., Calorimetric Researches IV. Determination of the Heat of Combustion of Sucrose. A Research as to the Suitability of the Substance as A Thermochemical Standard, Recl. Trav. Chim. Pays-Bas, 1923, 42, 205. [all data]

Verkade, P.E., Recl. Trav. Chim. Pays-Bas, 1916, 36, 194. [all data]