Is it possible to read lower than 15 Color Units with the DR 5000 or DR 6000 spectrophotometer?

Document ID

Document ID TE514

Published Date

Published Date 15/10/2020
Question
Is it possible to read lower than 15 Color Units with the DR 5000 or DR 6000 spectrophotometer?
Summary
DR 5000 Color Units detection limit
Answer
The DR 5000 spectrophotometer can read color below 15 Color Units, but one must determine the Method Detection Limit as shown in the Water Analysis Handbook to find the lowest value. Additionally, the use of sample cells with longer pathlengths (i.e. 5 cm or greater) allows for effective reading of solutions with low levels of color.

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