What wavelengths are used to run Nitrogen, Ammonia tests?

Document ID

Document ID TE130

Published Date

Published Date 04/09/2019
Question
What wavelengths are used to run Nitrogen, Ammonia tests?
Summary
Wavelengths used to measure nitrogen-ammonia
Answer
Each nitrogen-ammonia method has a "summary of method" section that details the wavelength used to create the test results.

The list below provides the nitrogen-ammonia methods and the wavelengths used:
Nitrogen, Ammonia Nessler Method 8038: 425 nm
Nitrogen, Ammonia Salicylate Methods 10023 and 10031: 655 nm
Nitrogen, Ammonia TNTplus Method 10205: 690 nm

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