SYNTHESIS, CHARACTERIZATION AND COLOUR DETERMINATION USING CIELAB COLOUR SPACE OF STILBENE DYES

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GRAD MARIA ELENA; SIMU GEORGETA MARIA; MUNTEAN SIMONA GABRIELA; ILIA GHEORGHE

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Journal: JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS) Year:2013 | Volume:10 | Issue:4 Page(s): 807-816

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Title

SYNTHESIS, CHARACTERIZATION AND COLOUR DETERMINATION USING CIELAB COLOUR SPACE OF STILBENE DYES

Author(s)

GRAD MARIA ELENA | SIMU GEORGETA MARIA | MUNTEAN SIMONA GABRIELA | ILIA GHEORGHE

Keywords

4’-DIAMINOSTILBENE-2

2’-DISULPHONIC ACID

AZO-STILBENE DYES

CIELAB UNIFORM COLOUR SPACE

Abstract

The synthesis of six new symmetrical disazo direct dyes containing 4,4’-diaminostilbene-2,2’-disulphonic acid as middle component and N-(2-chlorophenyl)-2-hydroxybenzamide, N-(3-chlorophenyl)-2-hydroxybenzamide, N-(4-chlorophenyl)-2-hydroxybenzamide, N-(2-bromophenyl)-2-hydroxybenzamide, N-(3-bromophenyl)-2-hydroxybenzamide, N-(4-bromophenyl)-2-hydroxybenzamide as coupling components is presented. The synthesized dyes were analyzed by thin layer chromatography, electronic spectra and HPLC technique. Their structures were elucidated by FT/IR and 13C-NMR spectroscopy. The CIELAB (1976) colour space was used in all the colour measurements for the six disazo stilbene dyes under the CIE recommended illuminants: D65 (natural day light), A (tungsten light), F2 (fluorescent light) and the standard 10° observer, respectively. The colour differences: DEab* and DECMC were calculated against one standard. The results reveal a good colouring power of the new AZO-STILBENE DYES.

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APA: Copy

GRAD, MARIA ELENA, SIMU, GEORGETA MARIA, MUNTEAN, SIMONA GABRIELA, & ILIA, GHEORGHE. (2013). SYNTHESIS, CHARACTERIZATION AND COLOUR DETERMINATION USING CIELAB COLOUR SPACE OF STILBENE DYES. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), 10(4), 807-816. SID. https://sid.ir/paper/282940/en

Vancouver: Copy

GRAD MARIA ELENA, SIMU GEORGETA MARIA, MUNTEAN SIMONA GABRIELA, ILIA GHEORGHE. SYNTHESIS, CHARACTERIZATION AND COLOUR DETERMINATION USING CIELAB COLOUR SPACE OF STILBENE DYES. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS)[Internet]. 2013;10(4):807-816. Available from: https://sid.ir/paper/282940/en

IEEE: Copy

MARIA ELENA GRAD, GEORGETA MARIA SIMU, SIMONA GABRIELA MUNTEAN, and GHEORGHE ILIA, “SYNTHESIS, CHARACTERIZATION AND COLOUR DETERMINATION USING CIELAB COLOUR SPACE OF STILBENE DYES,” JOURNAL OF THE IRANIAN CHEMICAL SOCIETY(JICS), vol. 10, no. 4, pp. 807–816, 2013, [Online]. Available: https://sid.ir/paper/282940/en

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