L1 /
11
CH3041
CHEMILUMINESCENCE
• Chemiluminescence
results from a chemical reaction to form an excited state
species which emits light ® analyte signal.
• Used in NOx analysis
where O3 is reacted
with NO to form NO2*.
where O3 is reacted
with NO to form NO2*.
• Any NO2 is
thermally
converted to NO first.
converted to NO first.
• l = 600 - 875 nm.
IDL 10 ppb.
Simple and good for continuous monitoring.
IDL 10 ppb.
Simple and good for continuous monitoring.
• Used in O3 analysis ethylene
is reacted &
emission occurs at 430 nm. IDL 1 ppb.
emission occurs at 430 nm. IDL 1 ppb.
