chromotropic

chromotropic

(krō″mō-trŏp′ĭk) [″ + tropikos, turning]
1. Being attracted to color.
2. Attracting color.
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References in periodicals archive ?
Formaldehyde in alcoholic beverages: Large chemical survey using purpald screening followed by chromotropic acid spectrophotometry with multivariate curve resolution, International Journal of Analytical Chemistry, 2011, Article ID 797604.
The method used colorimeter, the principle of which is formaldehyde reacting with chromotropic acid-sulfuric solution to form a purple monocationic chromogen and being read by spectrophotometer at 580 nm.
Lots of the reported methods have relied on derivatizing formaldehyde using acetylacetone or chromotropic acid reagents prior to colorimetric and/or spectrophotometric determination.
A comparative study of formaldehyde detection using chromotropic acid, acetylacetone and HPLC in cosmetics and household cleaning products.
The precipitate was dissolved in 5 ml of chromotropic reagent and vigorously shaken, and the tube was then placed in a boiling water bath for 30 min.
Spectrophotometric determination of sildenafil citrate in pure form and in pharmaceutical formulation using some chromotropic acid azo dyes.
The reaction system consisted of the lens supernatant, 12.5 mM periodic acid, 12.5 mM sodium arsenite, and 0.2% chromotropic acid.
Total amount of P (PO 3--P) in the samples was determined by Molybdate-Vanadate reagent method and N (NO--N) was analyzed by chromotropic acid methods (Kowalenko and Lowe, 1973).
Uptical density was determined at 570 nm after formation of a colored complex of formaldehyde and chromotropic acid.
Method based on reaction of formaldehyde with chromotropic acid and determination of formaldehyde concentration.
Subsequently, the sections were incubated with chromotropic acid for 40 min at room temperature, and washed with distilled water for 10 s.