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
