Date: Fri, 08 Nov 2002 09:20:46 -0600

Author: Gary Karshner

Subject: RE: Archimedes Unknown Liquid


Table salt has sodium iodide added as will as an inert power
(talc?) to keep it poring when it rains as the old ad used to say. It is
the latter that doesn't dissolve and gives the cloudy appearance to the
solution. The health food store Sea Salt should about well, I would suspect.


At 08:46 AM 11/8/02 -0500, you wrote:
>What is the difference between Kosher salt and table salt? Other than one
>is blessed.
>Brad Shue
>Lab and Demo Manager
>Davidson College
>P.O. Box 7133
>209 Ridge Road
>Davidson, NC 28035
>-----Original Message-----
>From: Thomas Senior []
>Sent: Wednesday, November 06, 2002 3:11 PM
>Subject: Re: Archimedes Unknown Liquid
>For what it is worth, Kosher Salt makes a very clear solution, no
>cloudiness that you get with table salt. Out chemistry folks use it
>for density columns.
>Thomas J. Senior
>New Trier High School
>385 Winnetka Ave
>Winnetka, IL 60093-4295