J. Planar Chromatogr. 27, 398-402 (2014). HPTLC of (1) permethrin and (2) fenpropathrin in water samples on silica gel with petroleum ether (60-90 °C) - ethyl acetate - dichloromethane 192:5:3. Detection by spraying with 10 mL of phosphomolybdic acid solution (7%, w/v, in ethanol), followed by heating at 170 °C for 10 min. The hRF values of (1) and (2) were 52 and 34, respectively. Linearity was in the range of 8.7-30.6 ng/mL for (1) and 5.4-19.1 ng/mL for (2). The intermediate precision was below 2 % (n=5) . The LOD and LOQ were 0.44 and 1.47 ng/mL for (1) and 0.56 and 1.88 ng/mL for (2), respectively. Average recoveries for (1) and (2) were 92.5 and 95.6 %, respectively.

Polimeros. 26, 68-74 (2016). TLC of additives such as the plasticizer acetyl tributyl citrate (ATBC) and phthalates like dioctyl phthalate (DOP) and dibutyl phthalate (DBP) in ink containing polyurethane and nitrocellulose resin on silica gel with ethyl acetate – ethanol – water 14:7:6 (1), toluene (2) or toluene – ethyl acetate 7:3 (3). Detection by spraying with 1 % 2,6 dichloro-p-benzoquinone-4-chlorimine in ethanol. The hRF values with mobile phases (1) to (3) were 97, 41 and 46 for ATBC, 94, 47 and 46 for DOP and 96, 45 and 46 for DBP, respectively.

Trends Anal. Chem. 102, 225-235 (2018). The study described reliable effect-based methods for screening of endocrine disrupting compounds to fulfill the requirements of the European Decision EU 2015/495 regarding steroidal estrogens of the Water Framework Directive. The study identified TLC-based methods such as the planar Yeast Estrogen Screen (pYES) for the quantification of the overall estrogenic activity present in the sample by means of 17ß-estradiol-equivalence concentrations.

Anal. Sci. 3, 89-90 (1987). Two-dimensional TLC on silica (1st direction) and 26% acetylated cellulose (2nd direction) with solvent systems reported earlier. Quantification by synchronous fluorometry. Comparison of the results with those using conventional methods.

J. Planar Chromatogr. 2, 44-48 (1989). A novel way of predicting Rfs in adsorption TLC with binary mobile phases is presented. Good agreement observed between experimental and calculated Rf values.

Acta Alimentaria 19, 229-235 (1990). TLC of zearalenone on silica with chloroform – methanol 96,5:3,5. Visualization under UV 254 nm and by spraying with methoxybenzene-diazonium-fluoroborate. Detection limit between 20-40 µg/kg, recoveries between 60-80%.

J. Planar Chromatogr. 4, 309-312 (1991). TLC of 15 PAH’s and 12 heterocompounds on silica with dichloromethane - hexane 1:1 (PAH) and dichloromethane - methanol 20:1. Detection under UV.

J. Liquid Chromatogr. 18, 755-761 (1995). HPTLC of the title compounds on RP-18 silica with toluene - methanol 9:1 and hexane - acetone - methanol - acetic acid 35:10:5:0.1. Detection under UV 254 nm. Quantification by densitometry at 215 nm for pentachlorophenol and at 265 nm for cymiazole. Recoveries from water at 0.25 - 5 ppm, 97.7-100% for pentachlorophenol and 89.5-94.9% for cymiazole, those from honey at 10 and 50 ppm, 94.0 - 96.1% ad 91.9 - 93.7%, respectively.