The first 1914 original articles coauthored with Volkmar Kohlschütter (1874-1938) are affiliated with the University of Bern, where Frumkin moved from Stasbourg University in 1913. Publications of 1917-1923 mention the laboratory of Alexander N. Sakhanov (1886-1976) in Odessa University, 1923 articles were already submitted from Moscow in Aug 1922. All later publications at this page are affiliated with Karpov Institute.

1914

• Kohlschütter V., Frumkin A. Zur Kenntnis der Formen des Phosphors. I. Über die Umwandlung von Phosphordampf in der Glimmentladung // Ztschr. Elektrochem. 1914. Bd. 20, No 4. S. 110–123.
• Kohlschütter V., Frumkin A. Über die Bildung von rotem Phosphor durch Oxydation von Phosphordampf // Ber. Dt. chem. Ges. 1914. Jg. 47, Bd. 1. S. 1088–1100.

1916

• Frumkin A.N.  I. On the theory of electrocapillary phenomena. II. Electrocapillarity and adsorption <to be presented at the session of chemical society on April 27, 1917> // Zhurnal Rossiiskogo Fiziko-Khimicheskogo Obshchestva. Chast’ Khimicheskaya. 1916. V. 48, P. 1959–1960, in Russian

 1917

• Frumkin A.N. Movement of mercury drops under the action of electric current // Zhurnal Russkogo Fiziko-Khimicheskogo Obshestva. Chast’ Khim. 1917. V. 49, No 3/4. P. 207–210, in Russian. The original experiments are described, performed in Sakhanov’s lab in Odessa, and not included to Frimkin’s 1919 thesis.

1920

• Frumkin A. On the theory of electrocapillarity. I // Philos. Mag. 1920. V. 40, No 237. Р. 363–375.
• Frumkin A. On the theory of electrocapillarity. II // Philos. Mag. 1920. V. 40, No 237. P. 375–385.

1921

• Frumkin A. Zur Theorie der Adsorption // Zhurnal Chistykh i Prikladnykh Zndnii.  Otd. Fiziko-matematicheskikh i Tekhnicheskikh Nauk. 1921. V. 1, No 1. P. 36–48, in German. This journal existed only in 1921, and was edited in Odessa by V.F. Kagan. He was also an editor of the Bulletine of Experimental Physics and Elementary Mathematics, in which the earliest Frumkin’s texts can be found.
• Kohlschütter V., Frumkin A. Über Zersetzung von Kohlenwasserstoffen durch Kanalstahlen // Ber. Dt. chem. Ges. B. 1921. Jg. 54. Bd. 1, No 4. S. 587–594. This is the last article with V. Kohlschütter, published with remark ‘the presented experiments were caried out in summer 1914’.

1923

• Frumkin A. Zur Theorie der Elektrokapillaritat. I. Kapillarelektrische Erscheinungen in nichtwässerigen Lösungsmitteln // Z. phys. Chem. 1923. Bd. 103, No 1/2. S. 43–54.
• Frumkin A. Zur Theorie der Elektrokapillaritat. II // Z. phys. Chem. 1923. Bd. 103, No 1/2. S. 55–70.

1924

• Frumkin A.N. On the structure of interfacial layer. Pt 1. Difference of potentials at the interface between air and solutions of inorganic electrolytes // In: Trudy Khimicheskogo Instituta imeni L.Ya. Karpova. 1924. Issue 2. P. 106-126, in Russian. Here and below, “Trudy…” means a local collection of the Institute, also named Sbornik Rabot po Chistoi i Prikladnoi Khimii, its Editor was A.N. Bach. Slightly shorter version is also available as Frumkin A. Phasengrenzkrafte und Adsorption an der Trennungsflache Luft / Losung anorganischer Elektrolyte // Z. phys. Chem. Bd. 109, No 1/2. S. 34–48.
• Frumkin A.N. On the structure of interfacial layer. Pt 2. Difference of potentials at the interface between air and solutions of aliphatic compounds // In: Trudy Khimicheskogo Instituta imeni L.Ya. Karpova. 1924. Issue 3. P. 3-21, in Russian. Also available as Frumkin A. Phasengrenzkrafte und Adsorption an der Trennungsflache gasformig/flussig anorganischer Elektrolyte. II. Adsorption und Lagerung der Molekule aliphatischer Verbindungen // Z. phys.Chem. 1924. Bd. 111, No 3. S.190–210.
• Frumkin A.N., Kul’varskaya R.M. On the distribution of solver nitrate between water and aniline // In: Trudy Khimicheskogo Instituta imeni L.Ya. Karpova. 1924. Issue 3. P. 22-25, in Russian. Also available as Frumkin A., Kulvarskaja R. Über die Verteilung des Silbernitrats zwischen Wasser und Anilin:  Ein Beitrag zur Solvattheorie // Z. anorg. allgem. Chem. 1924. Bd. 38,  No 3. S. 278–280.
• Frumkin A. Thin layers on the surface of water // Uspekhi Fizicheskikh Nauk. 1924. V. 4. P. 172-186, in Russian. This article contains no original experimental data, but presents rather systematic analysis of insoluble organic molecules adsorption on the surface of water.
• Frumkin A. Electrical properties of thin films // Nature. 1924. Vol. 114, N 2857. Р. 158–159. A short note introducing future publication (1925).
• Frumkin A. Potentialdifferenzen zwischen Flussigkeiten und Luft // Kolloid-Ztschr. 1924. 35.  N 5.  S. 340–342.

1925

• Frumkin A.N. On the structure of interfacial layer. Pt. III. Capillary curves of the higher fatty acids and the control of the state of interfacial layer // In: Trudy Khimicheskogo Instituta imeni L.Ya. Karpova. 1925. Issue 4. P. 56-74, in Russian. Also available as Frumkin A. Die Kapillarkurve der höheren Fettsauren und die Zustandsgleichung der Oberflächenschicht // Z. phys. Chem. 1925. Bd. 116, No 5/6. S. 466–484, Frumkin isotherm, the first formulation.
• Frumkin A.N. On the structure of interfacial layer. Pt. IV. Electric properties of monomolecular layers // In: Trudy Khimicheskogo Instituta imeni L.Ya. Karpova. 1925. Issue 4. P. 75-87, in Russian. Also available as Frumkin A. Phasengrenzkrafte an der Trennungsflache gasformig/fliissig. III. Elektrische-Eigenschaften monomolekularer Schichten von unloslichen Substanzen // Z. phys. Chem. 1925. Bd. 116, No 5/6. S. 485–497.  Part number in German version is III, not IV. Translation of the previous part was published without indication of ”On the structure of interfacial letter’ series.
• Frumkin A.N. On the structure of interfacial layer. Pt. V. On one technique to verify Gibbs equation // In: Trudy Khimicheskogo Instituta imeni L.Ya. Karpova. 1925. Issue 4. P. 88-89, in Russian. Also available as Frumkin A. Über eine einfache Methode zur Prüfung des Gibbsschen Satzes // Z. phys.  Chem. 1925. Bd. 116, No 5/6. S. 498–500.
• Frumkin A.N. On the Traube rule in respect to separation phenomena // In: Trudy Khimicheskogo Instituta imeni L.Ya. Karpova. 1925. Issue 4. P. 90-92, in Russian. Also available, with another title, as Frumkin A. Einige Bemerkungen zur Theorie der Adsorption und Verteilung // Z. phys. Chem. 1925. Bd. 116,  No 5/6. S. 501–503.

1926

• Frumkin A.N. On the effect of electric field on adsorption of neutral molecules. Pt. 1. Adsorption on the mercury surface // In: Trudy Khimicheskogo Instituta imeni L.Ya. Karpova. 1926. Issue 5. P. 3-12, in Russian. Also available as Frumkin A. Über die Beeinflussung der Adsorption von Neutralmolekülen durch ein elektrisches Feld. Ein Beitrag zur Theorie der Elektrokapillarkurven // Z. Phys. 1926. Bd. 35, No 10. S. 792–802.
• Frumkin A.N. On the spreading of dyes at the surface of water // In: Trudy Khimicheskogo Instituta imeni L.Ya. Karpova. 1926. Issue 5. P. 13-16, in Russian. Also available as Frumkin A. Uber die Ausbreitung von Farbstoffen auf der Wasseroberflache // Кolloid-Z. 1926. Bd. 39. No 1. S. 8–9.
• Frumkin A, Donde A, Kul’varskaya R. On the structure of interfacial layer. Pt. VI. Potential difference at the interface between air and solutions of some benzene derivatives // In: Trudy Khimicheskogo Instituta imeni L.Ya. Karpova. 1926. Issue 5. P. 17-33, in Russian. Also available as Frumkin A., Donde A., Kulvarskaja R. Phasengrenzkräfte an den Trennungsfläche gasormig/flüssig. IV. Adsorption und  Lagerung  der Molekule  einiger  Benzolderivate //  Z. phys. Chem. 1926. Bd. 123, No 5/6. S. 321–338.
• Frumkin A., Donde A. On the dropping mercury electrodes // In: Trudy Khimicheskogo Instituta imeni L.Ya. Karpova. 1926. Issue 5. P. 34-38, in Russian. Also available as Frumkin A, Donde A. Über Quecksilbertropfelektroden // Z. phys. Chem. 1926. Bd. 123,  No 5/6. S. 339–343.
• Frumkin A., Obrutschewa A. Über hydrolytische Adsorption und Platinmohr // Z. anorg. allgem. Chem. A. 1926. Bd.158, No 1/2. S. 84–86.
• Frumkin A., Reichstein S., Kulvarskaja R. Über lonenadsorption an der Wasseroberflache // Kolloid-Z. 1926. Bd. 40, No 1. S. 9–11.
• Frumkin A., Obrutsheva A. Influence of electrical field on the adsorption of neutral molecules // Nature. 1926. Vol. 117, N 2953. Р. 790. A short note introducing publications of 1927.

1927

• Frumkin A., Reichstein S., Kul’varskaya R. On the structure of interfacial layer. Pt. VII. Adsorption of ions at the surface of water // Sbornik Rabot Khimicheskogo Instituta imeni L.Ya. Karpova. Moscow: NTU VSNKh Publ., 1927. P. 54-60, in Russian. This collection of works (sbornik rabot) as a whole is available here. The book was dedicated to 70 jubilee of A.N. Bach.
• Frumkin A, Obrucheva A. On the effect of electric field on adsorption of neutral molecules. Pt. II // Sbornik rabot Khimicheskogo Instituta imeni L.Ya. Karpova. Moscow: NTU VSNKh Publ., 1927. P. 61-78, in Russian. The work was also reported briefly in Protokoly zasedanii otdeleniya Khimii Russkogo Fizikokhimicheskogo Obschestva. 1927. V. 33, No 3. P. 34, and available in German as Frumkin A., Obrutschewa A. Über einige Adsorptionserscheinungen am Silberjodid // Biochem. Z. 1927. Bd. 182, N 1/4. S. 220–232. This is a starting point of adsorption studies on solid electrodes. Rarely available issue of this journal, can be found here.
• Frumkin A.N. Physics of interfacial layer // Soobscheniya o nauchno-tekhnicheskikh rabotakh v respublike (the 1st conference on physicochemical problems. Leningrad: NKhTI Publ., 1927. No 22. P. 101-115, in Russian. This file also contains discussion of Frumkin’s report (P. 115-118) and a small additional information on the recent publications in the area, published at the end of the book.
• Frumkin A., Donde A. Über hydrolitische Adsorption an Platinmohr und Kohle // Ber. Dt. chem. Ges. A. 1927. Jg. 60. Bd. 2, No 8. S. 1816–1820. It was also published in Russian slightly later: Frumkin A.N., Donde A. Hydrolytic adsorption on platinum black and carbon // In: Trudy Khimicheskogo Instituta imeni L.Ya. Karpova. 1928. Issue 8. P. 3-8. This is a starting point of adsorption studies on platinum and carbons.

1928

• Frumkin A.N. The problem of “absolute potentials” in electrochemistry // Soobscheniya o nauchno-tekhnicheskikh rabotakh v respublike (Electric and electrochemical properties of metals: the 2nd conference on physicochemical problems). Leningrad: NKhTI Publ., 1928. No 24. P. 116-133, in Russian. A brief discussion of Frumkin’s report is presented at P. 133.
• Frumkin A. Die Elektrokapillarkurve // Ergeb. е Naturwiss. 1928. Bd. 7. S. 235–275.
• Frumkin A., Gorodetzkaja A. Kapillarelektrische  Erscheinungen  und  Hautchenbildung am flüssigen Gallium // Z. phys. Chem. 1928. Bd. 136, No 3/4. S. 215–227. The second part of this series was published in 1936 by Murtazaev and Gorodetskaya.
• Frumkin A., Gorodetzkaja A. Kapillarelektrische Erscheinungen an Amalgamen. I. Thalliumamalgame // Z. phys. Chem. 1928. Bd. 136, No 6. S. 451–472. The notion of the potential of zero charge is formulated for the first time.
• Frumkin A., Obrutschewa A. Die Elektrokapillarkurve des Quecksilbers. Eine Bemerkung zu der gleichnamigen Arbeit von K. Bennewitz und A. Delijannis // Z. phys. Chem. A. 1928. Bd. 138, No 3/4. S. 246–250.
• Bach-Nikolajewa N., Frumkin A. Über die Abhangigkeit der Stabilität von Kohlesuspensionen von der Gasbeladung und der Zusammensetzung der Lösung // Kolloid-Z. 1928. Bd. 46. No 2. S. 89–90.

1929

• Bruns В., Frumkin A. Über den Zusammenhang zwischen der Gasbeladung und der Adsorption von Elektrolyten durch aktivierte Kohle. I // Z. phys. Chem. A. 1929. Bd. 141, No 3. S. 141–157.
• Burschtein R., Frumkin A. Über den Zusammenhang zwischen der Gasbeladung und der Adsorption von Elektrolyten durch aktivierte Kohle. II // Z. phys. Chem. A. 1929, Bd. 141. No 3. S. 158–166. This series is continued by three parts published in 1930, and then by Parts VI and VII (Bruns et al., published in 1931 without Frumkin’s co-authorship).
• Burschtein R., Frumkin A. Über das Verhalten von entgaster aktivierter Kohle gegen Elektrolyten // Z. phys. Chem. A. 1929. Bd. 141, No 3. S. 219–220.
• Frumkin A. Über die Adsorption von Phenolen an den Grenzflachen Wasser–Luft . Wasser–Kohle und Wasser–Quecksilber // Rec. trav. chim. 1929. Vol. 48, No 3. Р. 288–290.
• Frumkin A. Über die Bildung von Schwefelschichten auf einer Quecksilberoberflache // Kolloid-Z. 1929. Bd. 47, No 3. S. 229–231.
• Frumkin A., Williams J.W. The relation between the electric moment and the potential difference at an interface // Proc. Nat. Acad. Sci. US. 1929. V. 15, No 5. Р. 400–405.

1930

• Frumkin A.N. On the theory of promotors action // Soobscheniya o nauchno-tekhnicheskikh rabotakh v respublike (the 3rd conference on physicochemical problems). Leningrad: NKhTI Publ., 19308. No 26. P. 60-62, in Russian.
• Frumkin A.N, Cirves F.J. Electrocapillary properties of amalgams // Zhurnal Fizicheskoi Khimii. 1930. V.1, No 1. P. 52-64, in Russian. Also available as Frumkin A., Cirves F.J. Electrocapillary properties of amalgams // J. Phys. Chem. 1930. V. 34, N 1. Р. 74–85.
• Bruns B., Frumkin A. On the theory of hydrogen electrode: On the mechanism of alkali adsorption by platinized carbon under hydrogen atmosphere // Zhurnal Fizicheskoi Khimii. 1930. V. 1, No 2. P. 219-232, in Russian. Also available as Bruns В., Frumkin A. Über den Zusammenhang zwischen der Gasbeladung und der Adsorption von Elektrolyten durch aktivierte Kohle. Platinierte Kohle als Wasserstoffelektrode // Z. phys. Chem. A. 1930. Bd. 147, No 1/2. S. 125–146. This is Part III of the series started in 1929.
• Burschtein R., Frumkin A., Lawrowskaja D. Über den Zusammenhang zwischen der Gasbeladung und der Adsorption von Elektrolyten durch aktivierte Kohle. IV. Über die Adsorption  von  Säuren  durch  entgaste  und  durch wasserstoffgesattigte  Kohle // Z. phys. A. 1930. Bd. 150, No 5/6. S. 421–438.
• Vasiliev S., Frumkin A. On the poisoning of platinum in platinized carbon // Zhurnal Fizicheskoi Khimii 1930. V.1, No 6. P. 663-671, in Russian. Also available as Wassiljew S., Frumkin A. Über den Zusammenhang zwischen der Gasbeladung und der Adsorption von Elektrolyten durch aktivierte Kohle. V. Über die Vergiftung von Platiain platinierter Kohle // Z. phys. Chem. A. 1930. Bd. 151, No 1/2. S. 87–96.
• Frumkin A. Significance of the electrocapillary curve // Colloid Symp. Ann. 1930. V. 7. Р. 89–104.
• Frumkin A. Über die Adsorption von Elektrolyten durch aktivierte Kohle // Kolloid-Z. Bd. 51, No 1. S. 123–129.