Thank you Marshall - that is the information I needed.  EIS it is - 

Bernadette
  ----- Original Message ----- 
  From: Marshall 
  To: silver-list@eskimo.com 
  Sent: Thursday, June 02, 2011 11:46 AM
  Subject: Re: CS>Covalent Silver


  Covalent appears to be referring to the binding of the atoms in a colloidal 
particle.  It appears no different than you get with high quality EIS.  I 
cannot find any mention of the ionic content or manufacturing method, so it 
could be anything from pretty well normal EIS like we make, to sputtered silver 
like Frank makes.

  Marshall

  On 6/2/2011 10:59 AM, Bernadette wrote: 
    Could someone explain the difference between Covalent Silver and Collodial 
Silver?  I am traveling to England, Scotland and Wales next week - and with the 
e-coli everywhere I was told to spray the foods with Covalent Silver but not 
knowing the difference I am asking the more knoweleable among us.  I have CS 
and planned to take it along, as well as, del-immune but would like to cover 
all my bases.  Thanks for the help.

    Bernadette