Also suggest checking out:
http://www.guilford.edu/original/academic/geology/Seawater.html
On Sat, 28 Apr 2001, Sajjad Lateef wrote:
>
> 25 gms of NaCl in 1000 gms of sea water. Hmmm.
> I was not so sure so I just searched and found:
> http://www.seafriends.org.nz/oceano/seawater.htm
> >From the above page, 3.5% salinity seawater contains about 3.0% NaCl
> (30,200 ppm).
>
> Instruments are calibrated at standard temprature and pressure
> (STP) usually 20C temprature and 1 Atmosphere pressure (68F temp,
> sea-level pressure).
>
> Sajjad
>
> On Sat, 28 Apr 2001 Moontanman_at_aol.com wrote:
>
> > I didn't save those e-mails but I do know when you are talking specific
> > gravity or density, maybe both, temperature has a lot to do with the result.
> > And pure sea water (perfect world) should read 1.025 and pure water should
> > read 1.000 but only at the temperature the instrument was calibrated at.
> >
> > Moon
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