On 4/20/2019 5:24 PM, Lei Wah Chong wrote:> 2% iodine solutionDr. Google tells me this for 5%: Dissolve 10 g potassium iodide in 100 ml of distilled water. B. Slowly add 5 g iodine crystals, while shaking. C. Filter and store in a tightly stoppered brown bottle. Take care: The reaction is exothermic (emits heat).
Another option is to dissolve iodine in ethanol.
It is not clear, what solvent is expected for the testing.
Poutnik ( the Wanderer )
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