End point of an iodine titration. 4 of 5

End point of an iodine titration. 4 of 5

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Credit: MARTYN F. CHILLMAID/SCIENCE PHOTO LIBRARY

Caption: Finding the end point of an iodine titration. 4 of 5. The titrant, a standard thiosulfate solution, is titrated against the iodate solution. Starch is added part way through to turn it blue and sharpen the end point. When the solution becomes a pale blue the end point is very close.

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Keywords: color, colour, end point, iodate solution, iodine titration, iodometric titration, iodometry, known molarity, no-one, nobody, pale blue, redox titration, sodium thiosulfate, standard solution, starch solution, titrant, titrated, titrating, volumetric chemical analysis

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