- iodine test for starch
- Iodstärkereaktion f
Fachwörterbuch Medizin Englisch-Deutsch. 2013.
iodine test for starch
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iodine test — (for starch) when a compound solution of iodine is added to starch, and especially to an acid or neutral solution of cooked starch paste, a deep blue color is produced that disappears on heating and reappears on cooling … Medical dictionary
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
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
test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… … Medical dictionary
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
Winkler test for dissolved oxygen — The Winkler test is used to determine the level of dissolved oxygen in water samples. This metric is then used to estimate the biological activity in the water sample. An excess of Manganese(II) salt, iodide (I ) and hydroxide (OH ) ions are… … Wikipedia
starch paper — noun A test paper for iodine, coated with starch and potassium iodide • • • Main Entry: ↑starch … Useful english dictionary
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
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
Chemical test — In chemistry, a chemical test is a qualitative or quantitative procedure designed to prove the existence of, or to quantify, a chemical compound or chemical group with the aid of a specific reagent. A presumptive test is specifically used in… … Wikipedia
Cinnamon — For other uses, see Cinnamon (disambiguation). Cinnamon sticks or quills and ground cinnamon Cinnamon ( … Wikipedia
