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FCH-BCO_KOK_PAcad. year: 2011/2012
Evaluation of the influence of chemical composition of substantive dyes on hue on the base of theory of colours. ( The work with Colour Index ) Construction of absorbance and transmitance spectra of dyes. Influence of the dye concentration and electrolyte concentration on the maximal characteristic wavelength. The determination of the molar absorption index of dyes. Verification of colorimetric determination of substances in mixed solutions. Colorimetric assessment of dye concentration in the solution. Verification the dependences A/c =f(L) and T =f(L). Determination of chromaticity coordinates x, y, z; trichromatic parts X, Y, Z ; colour coordinates a, b and chroma C, hue H. TLC chromatography of dyes in the different inks. Herbaceous dyes extraction. Chromatographic determination of chlorophyles in spinach by TLC method. Photometric determination of chlorophyles. TLC chromatography of beta-carottene and other dyes in red paprika. Whiteness of substrates with fluorescent brightening agents. Determination of paper brightness W457. Yelow index and opacity of paper. Silk painting. Transfer printing with pigments. Paper chromatography of cartridge pens and markers. Determination of chromaticity of colour papers. Dyes mixing. Visible spectroscopy of dyes in solution.
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branch BPCO_SCH , 3 year of study, winter semester, compulsory-optional
branch CKCO_CZV , 1 year of study, winter semester, compulsory-optional
branch BKCO_SCH , 3 year of study, winter semester, compulsory-optional
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