Is 99% USP IPA what most folks use? No. I use 44% Talisker Inge On 5 February 2012 02:40, Phil Bavaro <[log in to unmask]> wrote: > Reagent grade > > ----- Original Message ----- > From: Robert Kondner [mailto:[log in to unmask]] > Sent: Saturday, February 04, 2012 04:24 PM > To: [log in to unmask] <[log in to unmask]> > Subject: [TN] Is 99% USP IPA what most folks use? > > Hi, > > > > I was reading through the Ellis book on cleaning and I noticed adding IPA > to > water reduces surface tension. > > > > Neat, I figure that is a simple way to improve a rinse. I was planning on > final rinse with distilled water so I don't need to bother with blow off as > much. > > > > Just for fun I looked into various grades and it looks like dissolved > materials is about .005% or 39mg / Liter. (1 L = 780gram) > > > > Hmmmm, That sounds rather high compared to distilled water. I mean Lake > Michigan is 170 mg/L I think. > > (See: > http://www.aquapurefilters.com/contaminants/163/total-dissolved-solids.html > ) > > > > No one would think twice about dipping a cleaning swap into IPA to clean a > board. But Lake Michigan water? Holy Cow! > > > > Did I find the wrong specs on the IPA? > > > > Bob K. > > > > > > ______________________________________________________________________ > This email has been scanned by the Symantec Email Security.cloud service. > For more information please contact helpdesk at x2960 or [log in to unmask] > ______________________________________________________________________ > > > ------------------------------------------------------------------------------ > This message and any attachments are solely for the use of the addressee > and may contain L-3 proprietary information that may also be defined as USG > export controlled technical data. If you are not the intended recipient, > any disclosure, use or distribution of its content is prohibited. Please > notify the sender by reply e-mail and immediately delete this message and > any attachments. > > > > > ______________________________________________________________________ > This email has been scanned by the Symantec Email Security.cloud service. > For more information please contact helpdesk at x2960 or [log in to unmask] > ______________________________________________________________________ > ______________________________________________________________________ This email has been scanned by the Symantec Email Security.cloud service. For more information please contact helpdesk at x2960 or [log in to unmask] ______________________________________________________________________