Aptos High School Global Health Odyssey
Health Professionals Use Math for Problem Solving

Medical Lab Technician 10

To measure the concentration of an unknown substance, a standard with a known concentration is normally used, and a proportion is set up to compute the concentration of the unknown.

Sometimes the standard is so unstable that instead of measuring the standard each time, a one time standard curve is set up from which the technician can read all future unknowns.

Often absorbance is the measurement used to show concentration. A sample curve might look like this:

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