1. Enter the stored program number for nitrite nitrogen (NO2 --N), powder pillows. Press: PRGM The display will show: PRGM ? Note: For most accurate results, perform a Reagent Blank Correction using deionized water (see Section 1).
1. Enter the storedprogram numberfor nitrite nitrogen(NO2--N),powder pillows.Press: PRGMThe display will show:PRGM ?Note: For most accurateresults, perform a ReagentBlank Correction usingdeionized water (seeSection 1).