Agood source for 99% pure isopropanol (isopropyl alcohol) is a product sold under the name Iso-Heat. Available at most auto parts stores.
tom > [Original Message] > From: Eric Lemmon <[email protected]> > To: <[email protected]> > Date: 1/10/2009 1:58:35 PM > Subject: [Repeater-Builder] Stabilant > > A week or so ago, I posted the statement that Motorola had adopted Stabilant > 22A as a preferred electrical contact enhancer, and had given it the part > number 1180369E78. I now know that Motorola has discontinued that part > number and replaced it with 1180384V93, priced at $46. > > The difference between the two part numbers is that 1180369E78 was a > pre-mixed vial containing 15 mL of pure Stabilant 22 and 99% pure > isopropanol in a 4:1 ratio, AKA Stabilant 22A, while 1180384V93 is a kit > containing 5 mL of pure Stabilant 22 and an empty 15 mL bottle. The > included instructions direct you to put half of the 5 mL Stabilant 22 into > the 15 mL bottle, and then add either 99% pure isopropanol (isopropyl > alcohol) or 100% pure ethanol (grain alcohol) to obtain 12.5 mL of Stabilant > 22A or Stabilant 22E, respectively. You eventually wind up with 25 mL of > the Stabilant mixture, enough to last a very long time. > > Be careful to use only extremely pure alcohols for these mixtures, not > "rubbing" alcohol, because the less-pure versions contain water or other > adulterants for denaturing or diluting the product. Methanol (wood alcohol) > or denatured alcohol should not be used. Technical literature, application > notes, and MSDSs can be found here: > <http://www.stabilant.com/> > > 73, Eric Lemmon WB6FLY > > > ------------------------------------ > > > > Yahoo! Groups Links > > >
