How can the accuracy of internal calibration curves for the SL1000 Portable Parallel Analyzer™ (PPA) be verified?

Document ID

Document ID TE844

Published Date

Published Date 27/05/2017
Question
How can the accuracy of internal calibration curves for the SL1000 Portable Parallel Analyzer™ (PPA) be verified?
Summary
Checking accuracy on the SL1000 Portable Parallel Analyzer™ (PPA)
Answer
In addition to running the verification Chemkey® , primary standards can be used in place of a sample to verify accuracy. Hach has several primary standards available that can be used to measure the accuracy of the various Chemkey® reagents.