Simple Method for Detection of Potassium Iodate (KIO3) in a Kitchen Salt Using cassava starch (Manihot esculenta)

Riyanto Riyanto; Niar Dwi Saputri

doi:10.4028/www.scientific.net/AMR.1162.3

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Simple Method for Detection of Potassium Iodate (KIO₃) in a Kitchen Salt Using cassava starch (Manihot esculenta)
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1162Simple Method for Detection of Potassium Iodate...

Simple Method for Detection of Potassium Iodate (KIO₃) in a Kitchen Salt Using cassava starch (Manihot esculenta)

Abstract:

This research has been made a simple method for the detection of potassium iodate (KIO₃) in a kitchen salt using cassava starch (Manihot esculenta). The process of making this test kits using acid solvent as the reagent, KIO₃ solution, and indicator of cassava starch. The used cassava starch is in two conditions are dry starch for H₂SO₄ and wet starch for H₃PO₄. Based on the two solvents are then made a standard color series based on KIO₃ levels of 10, 20, 30, 40, and 50 ppm. Validation of this method has analyzed using Spectrophotometer UV-Vis. From the results of this analysis obtained calibration curve of each standard with both solvent. Coefficients determination for linearity using H₃PO₄ and H₂SO₄ solution is 0.9874 and 0.9656. From that results from the H₃PO₄ solution applied to the detection of potassium iodate (KIO₃) in a kitchen salt using cassava starch (Manihot esculenta) with a concentration in the range 30-40 ppm.

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Advanced Materials Research (Volume 1162)

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3-8

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https://doi.org/10.4028/www.scientific.net/AMR.1162.3

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Online since:

April 2021

Authors:

Riyanto Riyanto*, Niar Dwi Saputri

Keywords:

KIO₃, Kit, Method, Salt, Test

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