Water
by Donald Normandin on 01/06/05 at 13:33:00

Does anyone know the dirrect relation of conductivity to Total disolved solids(CaCO3)?

Re: Water
by Robert Fogt on 01/11/05 at 23:44:37

Hi,

I found this site here:
[url]http://www.waterfiltersonline.com/tds-sources.asp[/url]

About the relationship between TDS and conductivity, it says this:
[quote]
4. Conductivity is usually about 100 times the total cations or anions expressed as equivalents. Total dissolved solids (TDS) in ppm usually ranges from 0.5 to 1.0 times the electrical conductivity.
[/quote]

Re: Water
by Joshua Woods on 01/13/05 at 20:58:28

I do not know if this will help, but if you are talking about a freshwater environment, you can convert conductivity to TDS by multiplying your conductivity in ums by 0.65

I got it from "Applied Aquatic Ecosystem Concepts" by Gerald L. Mackie, 2001

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