WaterLink SpinTouchFF Manual De Instruccion página 14

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10°C
pH
Fresh
water
1
7.0
0.19
7.1
0.23
7.2
0.29
7.3
0.37
7.4
0.47
7.5
0.59
7.6
0.74
7.7
0.92
7.8
1.16
7.9
1.46
8.0
1.83
8.1
2.29
8.2
2.86
8.3
3.58
8.4
4.46
8.5
5.55
Freshwater data from Trussel (1972).
1
Seawater values from Bower & Bidwell (1978). Salinity for Seawater values = 34% at an ionic strength
2
of 0.701 m.
FOR EXAMPLE:
A fresh water sample at 20°C has a pH of 8.5 and the test result is 1.0 ppm as Total
Ammonia.
1.
The percentage from the table is 11.18% (or 0.1118).
2.
1 ppm Total Ammonia x 0.1118 = 0.1118 ppm Unionized Ammonia
3.
Total Ammonia
Unionized Ammonia
Ionized Ammonia
To convert Ammonia (NH
To convert Nitrite (NO
To convert Nitrate (NO
15°C
Salt
Fresh
water
water
2
0.27
0.34
0.43
0.54
0.68
0.459
0.85
0.577
1.07
0.726
1.35
0.912
1.69
1.15
2.12
1.44
2.65
1.80
3.32
2.26
4.14
2.83
5.16
3.54
6.41
4.41
7.98
) to Ammonia-Nitrogen (NH
3
) to Nitrite-Nitrogen (NO
2
) to Nitrate-Nitrogen (NO
3
20°C
Salt
Fresh
water
water
0.40
0.50
0.63
0.79
0.99
0.665
1.24
0.836
1.56
1.05
1.96
1.32
2.45
1.66
3.06
2.07
3.83
2.60
4.77
3.25
5.94
4.06
7.36
5.05
9.09
6.28
11.18
1.0000 ppm
_
0.1118 ppm
=
0.8882 ppm
-N) multiply by 0.823
3
-N) multiply by 0.304
2
-N) multiply by 0.226
3
14
25°C
Salt
Fresh
water
water
0.55
0.70
0.88
1.10
1.38
0.963
1.73
1.21
2.17
1.52
2.72
1.90
3.39
2.39
4.24
2.98
5.28
3.73
6.55
4.65
8.11
5.78
10.00
7.17
12.27
8.87
14.97
Salt
water
1.39
1.75
2.19
2.74
3.43
4.28
5.32
6.61
8.18
10.10
12.40
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