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Achromatic means "without color." During a hydrolysis test, starch auger is used to grow bacteria. An iodine reagent is used to flood the plate. The starch is dyed a blue-brown color. Areas where the starch has been completely digested by the bacteria, are clear. That is known as the achromatic point, or the point at which all the starch has been consumed and the iodine does not dye the auger.

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13y ago

Starch hydrolysis

Achromatic point- the point at w/c starch no longer gives the blue color with iodine

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Q: How long did the starch react with achromatic point?
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