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hodyreva [135]
4 years ago
7

Difference between control sample and a standard

Health
1 answer:
mash [69]4 years ago
4 0

 A standard contains a known amount of a substance. If u are performing an experiment you will use a sample with a known concentration to create a standard curve (a straight line). Positive and negative controls are measured against the standard curve to show the expected results if the sample u will be testing is positive or negative.

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