DO700-en-GB_v2.3 3/15
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Appendix C - DO of Saturated Water vs Barometric Pressure and Temperature
Barometric pressure Dissolved Oxygen Concentration (mg/L)
mmHg kPa 15
o
C 25
o
C 35
o
C
750 100.00 9.94 8.14 6.85
751 100.13 9.96 8.15 6.86
752 100.26 9.97 8.16 6.87
753 100.40 9.98 8.17 6.88
754 100.53 9.99 8.18 6.89
755 100.66 10.00 8.20 6.90
756 100.80 10.01 8.21 6.91
757 100.93 10.03 8.22 6.92
758 101.06 10.04 8.23 6.93
759 101.20 10.07 8.24 6.94
760 101.33 10.08 8.25 6.95
761 101.46 10.09 8.26 6.96
762 101.60 10.11 8.27 6.97
763 101.73 10.12 8.28 6.98
764 101.86 10.14 8.30 6.99
765 102.00 10.15 8.31 7.00
766 102.13 10.16 8.32 7.01
767 102.26 10.18 8.33 7.02
768 102.40 10.19 8.34 7.02
769 102.53 10.21 8.35 7.03
770 102.66 10.22 8.36 7.04
771 102.80 10.23 8.37 7.05
772 102.93 10.25 8.39 7.06
773 103.06 10.26 8.40 7.07
774 103.19 10.28 8.41 7.08
775 103.33 10.29 8.42 7.09
Conversion factor for mmHg and kPa: mmHg × 0.13333 = kPa
DO
pt
= P×DO
t
÷ 760
Note: DO
pt
= DO concentration under temperature (t), barometric pressure (P, mg/L)
P = Barometric pressure (mmHg)
DO
t
= DO concentration under temperature (t), barometric pressure (760mmHg, mg/L)
760 = Barometric pressure (mmHg)
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