60
METHOD PROCEDURES
60
60
NITRA
TE
• Press
Chem Frm
to convert the result to
mg/L
of
nitrate (NO
3
¯).
• Press the
or
key to return to the measurement screen.
INTERFERENCES
Interference may be caused by:
• Ammonia and amines, as urea and primary aliphatic amines
• Chloride above 100 mg/L
• Chlorine above 2 mg/L
• Copper, Iron (Ferric), Strong oxidizing and reducing substances
• Sulfide must be absent