Re: Table Salt a Hazardous Substance


"Gary G" <see.signature@bottom> wrote in message
news:nn92q3lusoq9fu043na9mjimninhdmnvhm@xxxxxxxxxx
On Wed, 30 Jan 2008 18:25:58 GMT, "NoSpam" <NoSpam@xxxxxxxxxxx> wrote:

Dear Mike,

I am frustrated. The following post to the microscope group on NewNet
explain why.
Gerhard


Morphologigally, I seriously doubt there is any difference
between the formal company's salt and that which you can
get from a grocery store. I do not see a difference in multitudes
of SEM images. What is different are the types of salt--
table, marine, Kosher, etc.

This is much addo about nothing, IMO.


Kiss French. Drink California.

gary at gaugler dot com

Gary,

First I know what the crystals made from table salt look like under
a light microscope after they have grown from solution. It is rare to
find a well grown crystal and one which is not covered in one form
or another by various impurities.

Table salt, the kind one gets in the grocery store contains a fair
amount, they don''t say how much of impurities, such as KI,
CaSilicate and dextrose. In fact rock salt, the kind used in
water softeners does not behave much worse than table salt
when used to grow microscrystals from solution.

It is therefore a legitimate attempt to use reagent grade NaCl
which is 99% pure, contains no dextrose, no KI and no in-
soluble substances, such as CaSilicate. That is what reagent
grade chemicals are supposed to be useful for.

It may be true that companies do not seek the business of
small customers. However small customers pay the same
price as large customers and no loss on part of the company
is involved. Just take the order as it comes of the internet
and ship it.

It is certainly true that the purchase of chemicals has been
made very difficult and that in fact companies speak of
a screening process to admit customers for purchase. This
screeining process takes 2 days and, I am sure but can't
prove it, involves government input.

The hazards of a given substance are usually given in a
square standing on one of its corners. It should be easy
for any chemical company to place resctrictions based
on this standard.

I would be interested in seeing samples of your SEM
images of table salt.

G.R.


.

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