Cumulative CAMAG Bibliography Service CCBS

Our CCBS database includes more than 11,000 abstracts of publications. Perform your own detailed search of TLC/HPTLC literature and find relevant information.

The Cumulative CAMAG Bibliography Service CCBS contains all abstracts of CBS issues beginning with CBS 51. The database is updated after the publication of every other CBS edition. Currently the Cumulative CAMAG Bibliography Service includes more than 11'000 abstracts of publications between 1983 and today. With the online version you can perform your own detailed TLC/HPTLC literature search:

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      128 065
      Applications of thin‑layer chromatography and thin‑layer electrophoresis in the analysis of inorganic anions: a review
      M. AHMER, S. KHAN, Q. ULLAH* (*Chemistry Section, School of Sciences, Maulana Azad National Urdu University, Gachibowli, Hyderabad, Telangana 500032, India,

      J. Planar Chromatogr. 34, 369-375 (2021). Review of the application of TLC and HPTLC for the analysis of inorganic anions between 1995 and 2020, including separation techniques in multicomponent mixtures.

      Keywords: HPTLC review
      Classification: 1b, 33b, 36
      125 042
      Low-voltage thin-layer electrophoresis of inorganic anions on silica gel-G and titanium (IV) tungstate layers: separation of coexisting F−, Cl−, Br− and I−, I−, IO3− and IO4−, Fe(CN)64− and Fe(CN)63−
      S. SHARMA*, C. SHARMA (*Department of Chemistry, School of Sciences, IFTM University, Delhi Road, Moradabad 244102, India,

      J. Planar Chromatogr. 33, 89-95 (2020). Thin-layer electrophoresis of inorganic anions F-, Cl-, Br-, I-, IO3-, IO4-, BrO3-, IO3-, Fe(CN)63- and Fe(CN)64- on (1) silica gel, (2) titanium (IV) tungstate and (3) admixture of silica gel and titanium (IV) tungstate 1:1 for 2 h at 100 V using 0.1 M oxalic acid, 0.1 M citric acid, 0.1 M tartaric acid, 0.1 M succinic acid and 0.1 M acetic acid as background electrolyte. Silica gel was effective in achieving binary, ternary and quaternary separations. The magnitude of migration was in accord with the order of lyotropic number.

      Classification: 33b
      123 022
      Reversed-phase Thin-Layer Chromatography of inorganic anions on tri-n-butyl amine impregnated silica gel-G layers: separation of coexisting I–, IO3– and IO4–, Fe(CN)64– and Fe(CN)43-
      S. SHARMA*, C. SHARMA (*Department of Chemistry, School of Sciences, IFTM University, Delhi Road, Moradabad 244102, India,

      J. Planar Chromatogr. 32, 265-271 (2019). HPTLC of 24 anions on tri-n-butyl amine (TBA) impregnated silica gel with 13 mobile phases (methanol, dimethylformamide, diisopropyl ether, tetrahydrofuran, 2-propanol, dimethylformamide - methanol 1:1, dimethylformamide - diisopropyl ether 1:1, dimethylformamide - tetrahydrofuran, 1:1, dimethylformamide - 2-propanol 1:1, 0.1 M oxalic acid, 0.1 M tartaric acid, 0.1 M citric acid and 0.1 M succinic acid). The retention behavior was analyzed in aqueous and non-aqueous mobile phases. The hRF values were also correlated with their lyotropic numbers. 20 % TBA-impregnated silica gel was found very effective for binary and ternary separations of anions.

      Classification: 2c, 33b
      109 132
      Analysis of sulfide ions by densitometric thin-layer chromatography and use of TLSee software
      W. CIESIELSKI, K. DYNSKA-KUKULSKA, R. ZAKRZEWSKI*, A. HEKNER (*University of Lódz, Faculty of Chemistry, Department of Instrumental Analysis, ul. Pomorska 163, Lódz, Poland;

      J. Planar Chromatogr. 23, 343-347 (2010). TLC and HPTLC of (derivatized) sulfide ions on silica gel with dichloromethane - methanol - diethyl ether - 25 % ammonia 40:5:5:1 in a horizontal chamber saturated for 20 min. Detection by using the methylene blue method, i.e. production of methylene blue by oxidative coupling of sulfide with N,N-dimethyl-p-phenylenediamine in the presence of iron(III) ions in acidic medium. Quantitative determination by absorbance measurement at 660 nm (method I), or analysis by TLSee software (method II). Response for both was a linear function in the concentration range of 20-100 pmol/zone. The LOD and LOQ were 10 pmol/zone (3.2 mg/L) and 20 pmol/zone (6.4 mg/L). The repeatability of both methods (%RSD) was 1.9-4.2 % for method I and 1.5-3.9 % for method II.

      Classification: 33b
      85 140
      A new chromatographic iodometric method for the separation and determination of iodide and oxyanions
      A. MOHAMMAD*, J.P.S. CHAHAR, E. IRAQI, V. AGRAWAL, (*Anal. Lab., Dept. of Applied Chem., Z. H. Coll. of Eng., Aligarh Muslim Univ., Aligarh-202002, India)

      J. Planar Chromatogr. 13, 12-15 (2000). Examination of the retention behavior of iodide, iodate and periodate on silica gel, cellulose, alumina and kieselguhr with mixtures of 0.1 M NH3 and acetone as mobile phase. Alumina and 0.1 M NH3 - acetone 9:1 was best because it furnished more compact and well-resolved spots of the anions.

      Classification: 33b
      119 002
      Liquid chromatography with room temperature ionic liquids
      N. LENCA, C. POOLE* (*Department of Chemistry, Wayne State University,
      Detroit, MI 48202, USA,

      J. Planar Chromatogr. 30, 97-105 (2017). Review of current applications of room temperature ionic liquids on planar chromatography as mobile phases. Methylammonium, ethylammonium, propylammonium, isopropylammonium, butylammonium, s-butylammonium, dipropylammonium, tributylammonium were reported to be used as replacements for organic solvents in binary systems. As mobile phase additives, room temperature ionic liquids were used for the separation of peptides and basic drugs in both normal phase and reversed phase chromatography with an emphasis on their role as masking agents. The authors suggested that given the large number of possible cation and anion combinations, systematic methods that characterize solvation properties for both ionic liquids and organic solvents are required.

      Classification: 1, 3d, 33a, 33b
      88 183
      Thin-layer chromatography of anions - separation of coexisting hexacyanoferrate(II), hexacyanoferrate(III) and thiocyanate with a new mobile phase
      A. MOHAMMAD, V, AGRAWAL, (Anal. Lab., Dept. of Applied Chem., Fac. of Eng. and Tech., Aligarh Muslim Univ., Aligarh 202002, India)

      J. Planar Chromatogr. 14, 371-377 (2001). HPTLC of 18 anions on silica gel plates with 19 different solvents comprising distilled water, pure organic solvents and mixtures of these. Detection by spraying with a saturated solution of silver nitrate in methanol, 0.2-0.5% diphenylamine in 4 mL sulfuric acid, 10% ferric chloride in 2.0 m hydrochloric acid or 0.5% ethanolic pyrogallol solution resp.

      Classification: 33b
      55 140
      A sensitive and selective reaction for nitrate-application in thin-layer chromatography

      Mikrochimica Acta (Wien) II, 47-52 (1984). TLC separation of nitrate from other inorganic ions on silica with ethyl acetate - acetone - methanol 3:1:1 and detection after conversion of nitrate into nitrosyl chloride, and subsequent reaction with beta-hydroxyquinoline and p-amino sulfonic acid (detection limit 5 ng). 55 anions and cations have been shown not to interfere.

      Classification: 33b