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
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