RE: Electrospray Ionization (ESI)

2005-06-17 Thread Frederick Sparber
I'm prejudiced toward the idea that over millennia some electrons from the Solar Wind, Solar and Cosmic Rays have been trapped in and on the earth, thus giving rise to most of the electrostatic phenomena seen throughout the ages. As a rough cut (in my opinion) the capacitance C of the

Re: Electrospray Ionization (ESI)

2005-06-16 Thread William Beaty
On Tue, 14 Jun 2005, Frederick Sparber wrote: According to this ion counter sales blurb: http://www.trifield.com/air_ions.htm Evaporating water will produce - ions in the air and as a consequence leave + charges behind in the water that hasn't yet evaporated. As I understand it, this is

Re: Electrospray Ionization (ESI)

2005-06-16 Thread Frederick Sparber
, negative ions increase. Besides, I'm a bit leary about anything coming from New York State. :-) Frederick [Original Message] From: Terry Blanton [EMAIL PROTECTED] To: vortex-l@eskimo.com Date: 6/16/05 9:54:41 AM Subject: Re: Electrospray Ionization (ESI) From: Frederick Sparber BTW. If you

Re: Electrospray Ionization (ESI)

2005-06-16 Thread Terry Blanton
From: Frederick Sparber How come the AlphaLab says air sampling 800 cm/sec, where the refurbished says 200 cm/sec? They didn't replace the fan bearings? :-() Dunno, these detectors seem to be quite popular on ghostbusters web sites; but, the price varies greatly. I saw it at 500 pounds

Re: Electrospray Ionization (ESI)

2005-06-15 Thread William Beaty
On Tue, 14 Jun 2005, Frederick Sparber wrote: Bill Beaty wrote: Frederick Sparber wrote: Bill. Wouldn't the water vapor (or the O2 which has a high electron affinity) in the air flowing over the red hot hair dryer heating element cause the loss of electrons to the air stream?

Re: Electrospray Ionization (ESI)

2005-06-15 Thread RC Macaulay
Bill Beaty wrote.. "so the Triboelectric Series for cotton touchingRayon (etc.) does not apply. That's how "anti static dryer sheets" work" Interesting instructions given in Exodus and Leviticus regarding the garments to be worn by the high priest.. linen with gold adornments. No wool or

Re: Electrospray Ionization (ESI)

2005-06-14 Thread Frederick Sparber
Bill Beaty wrote: Frederick Sparber wrote: Bill. Wouldn't the water vapor (or the O2 which has a high electron affinity) in the air flowing over the red hot hair dryer heating element cause the loss of electrons to the air stream? Is the air coming from a hair dryer also a flow of charge?

Re: Electrospray Ionization (ESI)

2005-06-14 Thread Frederick Sparber
I wrote: With over 500 "small ions"per cubic centimeter,plus the larger ions in air a few cfm would represent a lot of charge in the air going through the dryer. Seems that a clothes dryer pulls charge from the air going through it, the water (especially well water) and the clothing.

Re: Electrospray Ionization (ESI)

2005-06-13 Thread Frederick Sparber
Bill Beaty wrote: But something weird is still going on. If conductive water on the pipe's inner surface gives a second "capacitor plate" with an equal and opposite (positive) charge, then as this water evaporates and the thickness of the layer decreases... nothing should electrically

Re: Electrospray Ionization (ESI)

2005-06-13 Thread William Beaty
On Mon, 13 Jun 2005, Frederick Sparber wrote: Bill. Wouldn't the water vapor (or the O2 which has a high electron affinity) in the air flowing over the red hot hair dryer heating element cause the loss of electrons to the air stream? Is the air coming from a hair dryer also a flow of charge?

Re: Electrospray Ionization (ESI)

2005-06-12 Thread William Beaty
On Fri, 10 Jun 2005, Michael Foster wrote: So by drying the interior of the PVC pipe with forced hot air, I had removed the conductive layer of water, thereby allowing the voltage to rise to several tens of kilovolts. Mildly interesting, but no new principle:( But something weird is still

Re: Electrospray Ionization (ESI)

2005-06-11 Thread Frederick Sparber
Michael Foster wrote: I have used a non-polar alkane hydrocarbon which has been heat evaporated to make and transport an electrostatic charge. There was no spray involved here, merely evaporation and condensation. As far as I can tell, this is a simple triboelectric phenomenon, which I can

Re: Electrospray Ionization (ESI)

2005-06-10 Thread William Beaty
On Tue, 7 Jun 2005, Frederick Sparber wrote: Why is this interesting? http://www-methods.ch.cam.ac.uk/meth/ms/theory/esi.html. Also, electrospray may explain an electrostatic anomaly noticed by Michael Foster: the air blast from a blow-dryer directed thru PVC pipe w/wet inner surface creates

Re: Electrospray Ionization (ESI)

2005-06-10 Thread Michael Foster
--- On Fri 06/10, William Beaty [EMAIL PROTECTED] wrote: On Tue, 7 Jun 2005, Frederick Sparber wrote: Why is this interesting? http://www-methods.ch.cam.ac.uk/meth/ms/theory/esi.html. Also, electrospray may explain an electrostatic anomaly noticed by Michael Foster: the air blast from a

Re: Electrospray Ionization (ESI)

2005-06-07 Thread Frederick Sparber
Why is this interesting? http://www-methods.ch.cam.ac.uk/meth/ms/theory/esi.html. "The production of ions by evaporation of charged droplets obtained through spraying or bubbling, has been known about for centuries, but it was only fairly recently discovered that these ions may hold more

Re: Electrospray Ionization (ESI)

2005-06-07 Thread Frederick Sparber
Jones Beene wrote: Sodium itself can carry away lots of heat even at its low vapor pressure, but not many ions - comparatively. The combination, however, could be synergetic depending on how this equalizer dynamic functions - what do you think? Jones I think a PVC or other