Chromatographia 35, 667-670 (1993). Description of the use of diantipyrilmethane and its derivatives for TLC separation of anions on silica with organic solvent - mineral acid or binary organic solvent mixtures using ascending or radial chromatographic techniques. Detection by viewing the colored iron complexes under day light, or under UV.

J. Chromatogr. Sci. 33, 531-535 (1995). TLC on silica, impregnated with 0.1% aqueous solution of sodium formate (pH 7.65). Detection by spraying with 0.1% dithizone in carbon tetrachloride for Zn(II), Cd(II), with 0.1% dimethylgluxime in ethanol for Ni2+, and by exposing to H2S gas for Hg(II). Determination by spectrophotometry. Discussion of the influences of the presence of various anions in the samples and pH values on the separation.

J. Planar Chromatogr. 10, 375-379 (1997). TLC of 5 cations as chlorides, nitrates, or sulfates on stannic selenite silicate with DMSO - nitric acid in different ratios. Detection by conventional spot-tests (see S.D. Sharma et al., J. Liq. Chromatogr. 16, 1833-1843 (1988)). Quantification after elution by spectrophotometry at 508 nm.

J. Planar Chromatogr. 14, 426-429 (2001). TLC of nickel, chromium, cobalt, molybdenum, beryllium (as chlorides resp. molybdate or sulfate) on microcrystalline cellulose, with a mixture of iso-amyl alcohol, acetonitrile and conc. hydrochloric acid. Optimization of the mobile phase by systematic variation of the composition of the mixture. Visualization after drying by spraying with a 0.1% solution of quercetin in propanol, then a 1% solution of dimethylglyoxime in ethanol, and finally exposure to ammonia vapor. Optimum composition of the mobile phase was iso-amyl alcohol - acetonitrile - conc. hydrochloric acid 53.6:2.7:43.7.

V. Separation and determination of chromium (VI). Acta Chrom. 12, 170-176 (2002). Rapid and selective method for the separation and determination of Cr (VI) from Al (III), Cr (III), Mn (II), Fe (III), Co (II), Ni (II), Cu (II), Zn (II), Se (IV), Sr (II), Zr (IV), Cd (II), La (III), Ce(III), Hg(II), and U (VI). TLC on self-prepared titanic silicate ion-exchange plates with 0.4 M ammonium oxalate – 2.2 M aqueous ammonia 1:1. Detection of Cr (VI) by spraying with a saturated solution of diphenyl-carbazide in iso-propanol. Densitometry at 545 nm.

J. Planar Chromatogr. 20, 153-158 (2007). TLC of U(VI), Th(IV), lanthanides(III), Co(II), Ni(II), and Cu(II) on silica gel with di(n-butyl) and di(iso-butyl)dithiophosphoric acid as complexing agents in different organic solvents (polar and nonpolar). Visualization with 0.05 % arsenazo III for U(VI), Th(IV), and lanthanides(III), and with 0.1 % rubeanic acid in ethanol for Co(II), Ni(II), and Cu(II). Densitometric evaluation at 505 nm for Cu(II) and Co(II) and at 600 nm for Th(IV), U(VI), and Ni(II).

J. Planar Chromatogr. 30, 375-385 (2017). HPTLC of synthetic peptides on silica gel and RP-18 with water and methanol with the addition of proper ion-pairing reagent to study the influence of metallic impurities on the retention and efficiency of separation of peptides. Detection by dipping into 2 % ninhydrin solution in acetone ‒ methanol ‒ glacial acetic acid 25:25:2. The contents of trace elements in areas scraped off from the chromatographic plates were determined by flame technique of atomic absorption spectrometry. The impurities present in the adsorbents may cause characteristic disruption of solute zone shape and overall distortion of the chromatogram during the development.

Chromatographia 22, 19-20 (1986). TLC of copper, iron and manganese on microcrystallic cellulose with acetone - HCl - water 8:1:2. Detection by spraying with rubeanic acid and exposure to NH3 vapor. Detection limit 20 mg/g of material. Developing solvent quoted was best under II investigated.