iodine assay

noun
UK /ˈaɪədiːn əˈseɪ/
US /ˈaɪədaɪn əˈseɪ/

A test that uses iodine to find out how much of something is in a sample.

The lab ran an iodine assay to measure the starch in the flour.


OTHER MEANINGS

2. A method for measuring the amount of vitamin C or other reducing substances in a sample using iodine.

The iodine assay showed the orange juice was rich in vitamin C.

3. A qualitative test in which iodine solution turns blue-black in the presence of starch.

A simple iodine assay confirmed that the potato contained starch.

4. An analytical procedure in chemistry that uses iodine as a reagent to quantify an unknown concentration.

The technician performed an iodine assay to check the purity of the sample.