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The iodine–starch test is a chemical reaction that is used to test for the presence of starch or for iodine. The combination of starch and iodine is intensely blue-black. The interaction between starch and the triiodide anion (I−3) is the basis for iodometry.
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starch iodine test complex triiodide iodide used presence amylose added blue-black anion helix molecules colour titrations skin chemical indicator use
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Iodine–starch test | Analytes | Starch | 1.00 | infobox |
| Iodine–starch test | Classification | Colorimetric method | 1.00 | infobox |
| Iodine–starch test | is a | chemical reaction that is used to test for the presence of starch or for iodine | 0.90 | text |
| ethanol | instance of | The intensity of the colour decreases with increasing temperature and with the presence of water-miscible organic solvents | 0.80 | text |
| Iodine–starch test | related to history | The | 0.60 | section |
| Iodine–starch test | related to history | Jean-Jacques Colin | 0.60 | section |
| Iodine–starch test | related to history | Henri-François Gaultier | 0.60 | section |
| Iodine–starch test | related to history | Claubry | 0.60 | section |
| Iodine–starch test | related to history | Friedrich Stromeyer | 0.60 | section |
| Iodine–starch test | related to history | In | 0.60 | section |
| Iodine–starch test | related to history | Canadian-American | 0.60 | section |
| Iodine–starch test | related to history | Charles | 0.60 | section |
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