Is it necessary to use a 25mL DPD powder pillow when following the MR chlorine methods?

Document ID

Document ID TE222

Published Date

Published Date 10/09/2018
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Question
Is it necessary to use a 25mL DPD powder pillow when following the MR chlorine methods?
Summary
MR Chlorine method and 25mL DPD reagents
Answer
The calibration curve for the MR chlorine program or mode was created using a MR DPD reagent which is a 25 mL powder pillow. Inaccurate results are possible if two 10mL chemistry powder pillows are used in the place of a 25mL powder pillow.

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