iodine-starch indicator

iodine-starch indicator
jodo krakmolo indikatorius statusas T sritis chemija apibrėžtis Ryškiai mėlynos spalvos adsorbcinis amilozės junginys su I₂. atitikmenys: angl. iodine-starch indicator rus. иодкрахмальный индикатор

Chemijos terminų aiškinamasis žodynas – 2-asis patais. ir papild. leid. – Vilnius: Mokslo ir enciklopedijų leidybos institutas. . 2003.

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  • Starch indicator — Starch is often used in chemistry as an indicator for redox titrations where iodine is present. Starch forms a very dark blue black complex with iodine. The indicator is not affected by the presence of iodide (I ). Starch indicator solutions may… …   Wikipedia

  • Starch — Starch, CAS# 9005 25 8, chemical formula (C6H10O5)n is a polysaccharide carbohydrate consisting of a large number of glucose monosaccharide units joined together by glycosidic bonds. All plant seeds and tubers contain starch which is… …   Wikipedia

  • Iodine — (IPAEng|ˈaɪədaɪn, ˈaɪədɪn, or IPA|/ˈaɪədiːn/; from el. ιώδης iodes violet ), is a chemical element that has the symbol I and atomic number 53. Naturally occurring iodine is a single isotope with 74 neutrons. Chemically, iodine is the least… …   Wikipedia

  • Iodine — I o*dine ([imac] [ o]*d[i^]n or [imac] [ o]*d[=e]n; 104), n. [Gr. iw dhs violetlike; i on a violet + e i^dos form: cf. F. iode, iodine. The name was given from the violet color of its vapor. See {Violet}, {Idyl}.] (Chem.) A nonmetallic element,… …   The Collaborative International Dictionary of English

  • Iodine green — Iodine I o*dine ([imac] [ o]*d[i^]n or [imac] [ o]*d[=e]n; 104), n. [Gr. iw dhs violetlike; i on a violet + e i^dos form: cf. F. iode, iodine. The name was given from the violet color of its vapor. See {Violet}, {Idyl}.] (Chem.) A nonmetallic… …   The Collaborative International Dictionary of English

  • Iodine scarlet — Iodine I o*dine ([imac] [ o]*d[i^]n or [imac] [ o]*d[=e]n; 104), n. [Gr. iw dhs violetlike; i on a violet + e i^dos form: cf. F. iode, iodine. The name was given from the violet color of its vapor. See {Violet}, {Idyl}.] (Chem.) A nonmetallic… …   The Collaborative International Dictionary of English

  • Iodine yellow — Iodine I o*dine ([imac] [ o]*d[i^]n or [imac] [ o]*d[=e]n; 104), n. [Gr. iw dhs violetlike; i on a violet + e i^dos form: cf. F. iode, iodine. The name was given from the violet color of its vapor. See {Violet}, {Idyl}.] (Chem.) A nonmetallic… …   The Collaborative International Dictionary of English

  • iodine — /uy euh duyn , din/; in Chem. also /uy euh deen /, n. Chem. a nonmetallic halogen element occurring at ordinary temperatures as a grayish black crystalline solid that sublimes to a dense violet vapor when heated: used in medicine as an antiseptic …   Universalium

  • Iodine test — The Iodine test is used to test for the presence of starch. Iodine solution iodine dissolved in an aqueous solution of potassium iodide reacts with starch producing a deep blue black color.This reaction is the result of the formation of… …   Wikipedia

  • Lugol's iodine — Lugol s iodine, also known as Lugol s solution, first made in 1829, is a solution of elemental iodine and potassium iodide in water, named after the French physician J.G.A. Lugol. Lugol s iodine solution is often used as an antiseptic and… …   Wikipedia

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