12 Measuring range, limits, accuracy depending on path length
Path length Measuring parameter Measuring range Detection limit Determination limit Precision Accuracy
1)
[mm] [mg/L] [mg/L] [mg/L] [mg/L] [mg/L]
0.3 Nitrate NO
3
-N 0 … 200 1.65 4.95 0.495 ± (5 % + 3.3)
Nitrate NO
3
0 … 886 7.26 21.78 2.178 ± (5 % + 14.5)
1 Nitrate NO
3
-N 0 … 60 0.5 1.5 0.15 ± (5 % + 1)
Nitrate NO
3
0 … 266 2.2 6.6 0.66 ± (5 % + 4.4)
2 Nitrate NO
3
-N 0 … 30 0.25 0.75 0.075 ± (5 % + 0.5)
Nitrate NO
3
0 … 133 1.1 3.3 0.33 ± (5 % + 2.2)
5 Nitrate NO
3
-N 0 … 12 0.1 0.3 0.03 ± (5 % + 0.2)
Nitrate NO
3
0 … 53 0.44 1.32 0.132 ± (5 % + 0.88)
10 Nitrate NO
3
-N 0 … 6 0.05 0.15 0.015 ± (5 % + 0.1)
Nitrate NO
3
0 … 26,6 0.22 0.66 0.066 ± (5 % + 0.44)
1)
Relative to a standard calibration solution; comment: 1 mg/L NO3-N corresponding to 4.43 mg/L NO3
26
