Comment on What are diabetic test strips made of?

lvxferre@mander.xyz ⁨5⁩ ⁨months⁩ ago

If you’re talking about strips that look like this:

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I believe that most brands use Benedict’s reagent: copper sulphate, sodium citrate, sodium carbonate. It interacts with reducing sugars (like glucose) and the colour goes from blue to light green to green to brown-green to brown-red, depending on concentration.

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