Chemistry Reference
In-Depth Information
Table 2.29 Experimental procedures for nitrogen gas generation
a In the case of ammonium nitrogen
b In the case of nitrite-nitrogen
Source: Reproduced with permission from the American Chemical Society [451]
Table 2.30 Detection limits and dynamic ranges for ammonium and nitrite-nitrogens at
different emission lines and bands
Wavelength,
Ammonium N
Nitrite N
nm
Detection limit, mg
L −1 N
Detection
range
Dynamic limit mg
L −1 N
Dynamic
range
337.1 (N 2 )
0.004
~3000
0.008
~100
391.4(N 2 + )
0.004
~200
0.004
~200
336.0 (NH)
0.02
~50
0.006
~100
746.8 (N)
0.009
~5000
0.01
~3000
Source: Reproduced with permission from the American Chemical Society [451]
detection limits and dynamic ranges. The detection limits and dynamic ranges obtained
for ammonium and nitrite nitrogens are also summarised in Table 2.30. the detection
 
Search WWH ::




Custom Search