I have noticed that the Amino Acid F powder reagent can vary in color from lot to lot. Is this normal?

Document ID

Document ID TE790

Version

Version 3.0

Status

Status Published

Published Date

Published Date 07/26/2018
Question
I have noticed that the Amino Acid F powder reagent can vary in color from lot to lot. Is this normal?
Summary
Reagent color variability
Answer
There is some expected variation in the color of the Amino Acid F powder reagent. The powder is usually tan, but sometimes varies between green, brown or pink in color. This occurs due to raw material variation during manufacture and does not cause measurement differences.

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