3 replies to this topic

[Nick (6 Engineering Ltd)]

Can anyone provide me with estimates of sea water chlorine concentration levels (in ppm or ppb would be most helpful).
The more replies the better!
Cheers

[gvdlans]

Are you sure you mean chlorine (=Cl2 gas)? Or do you mean chloride (=Cl- ions)?

I have a reference here that gives the average composition of non-polluted seawater and it shows a chloride ion concentration of 19.455 g/l. This is about 1.9 weight % or 19000 ppm (wt). I am sure compositions will vary depending on location (e.g. Dead Sea water will contain much more chloride than North Sea water).

[Nick (6 Engineering Ltd)]

Chloride Ions.
Yes- 19ppm agrees with the info we've got here. Always helps to get more opinions tho.
Cheers

[gvdlans]

19000 ppm, not 19 ppm!