How can staining from the DPD reagent be removed from plastic sample tubes or cells?

Document ID

Document ID TE201

Published Date

Published Date 11/12/2018
Question
How can staining from the DPD reagent be removed from plastic sample tubes or cells?
Summary
Cleaning stained plasticware
Answer
Pink stained viewing tubes or sample cells can be cleaned with hot water and a detergent such as Liquinox or Alconox. If the stain persists, it is best to get new tubes and prevent staining by rinsing immediately after using the DPD reagents. Acid or alcohols may cause the plastic to turn white.

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