Instantaneous Point-source Solution - IfH
Instantaneous Point-source Solution - IfH
Instantaneous Point-source Solution - IfH
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Figures and tables 21<br />
Table 1: Molecular diffusion coefficients for typical solutes in water<br />
at standard pressure and temperature (20 ◦ C). a<br />
Solute name Chemical symbol Diffusion coefficient b<br />
hydrogen ion H + 0.85<br />
hydroxide ion OH − 0.48<br />
oxygen O 2 0.20<br />
carbon dioxide CO 2 0.17<br />
bicarbonate HCO − 3 0.11<br />
carbonate<br />
CO 2−<br />
3 0.08<br />
methane CH 4 0.16<br />
ammonium NH + 4 0.18<br />
ammonia NH 3 0.20<br />
(10 −4 cm 2 /s)<br />
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