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When must quality control be performed when using a refractometer?

Mserna19

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Posts: 779

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6 years ago

When must quality control be performed when using a refractometer?

When must quality control be performed when using a refractometer?
a. At the end of the day
b. By comparing values with tap water
c. Before testing each specimen
d. At the beginning of each day

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irina99

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#1

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Mserna19 Author

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6 years ago

Good timing, thanks!

Ivansitospeed@g

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Yesterday

Thanks

Mkersey12

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2 hours ago

Helped a lot

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