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Date
Re: Anyone able to do GC or GC-MS on Hp ThinkJet Black ink ( for the Hp ThinkJet 2225 printer; Hp 9226a Or Hp 51604a ink cartridges ) ?
Don't think I need an outside lab, .... but would be interested in discuss with those actually having analytical equipment. (? I still need a few minor parts for my pe Elan 6000,? so that is not
By gren · #147709 ·
Re: Anyone able to do GC or GC-MS on Hp ThinkJet Black ink ( for the Hp ThinkJet 2225 printer; Hp 9226a Or Hp 51604a ink cartridges ) ?
It could be that Food Black 2 is used but what they have made confidential is the salt that they use to neutralize the dye.? In this case Food black 2 has 4 sulfonic acid groups that need to be
By Frank Mashockie · #147708 ·
Re: Boonton 92BD Troubleshooting
Brought a 260 q meter back to life earlier this year. Had some idea of what happened with them and hp, but not that detailed. Thanks for that! :) [email protected]> wrote:
By Bill Berzinskas · #147707 ·
Re: Boonton 92BD Troubleshooting
FWIW, I was one of those who promoted the Boonton list. There were two Boonton companies: Boonton Radio, who made the Q-Meter, RX-Meter and a series of signal generators, and Boonton Electronics
By Richard Knoppow · #147706 ·
Re: Anyone able to do GC or GC-MS on Hp ThinkJet Black ink ( for the Hp ThinkJet 2225 printer; Hp 9226a Or Hp 51604a ink cartridges ) ?
Well, RIT dye contains salt, and what dyes doesn't FDA think are food dyes? They allow Red #40, and yellow #5... It is said that if you hear the sound of hoof beats on the commons, it is more
By Chuck Harris · #147705 ·
Re: Boonton 92BD Troubleshooting
I personally don't mind your post. I just mentioned the other group in case you were unaware of it. DaveD KC0WJN Thanks for all the fish. ============================== All spelling mistakes are the
By Dave Daniel · #147704 ·
Re: Boonton 92BD Troubleshooting
It looked very underloved but if that's not the case I can move this post. [email protected]> wrote:
By Bill Berzinskas · #147703 ·
Re: Boonton 92BD Troubleshooting
There is a Boonton group. DaveD KC0WJN Thanks for all the fish. ============================== All spelling mistakes are the responsibilty of the reader (Rick Renz, STK, ca.
By Dave Daniel · #147702 ·
Boonton 92BD Troubleshooting
Boonton stuff ok in this group?? If not, I can delete. I picked up a mostly dead Boonton 92BD RF Millivoltmeter, seemed like a handy tool should i get it working. I've replaced the electrolytics and
By Bill Berzinskas · #147701 ·
Re: Anyone able to do GC or GC-MS on Hp ThinkJet Black ink ( for the Hp ThinkJet 2225 printer; Hp 9226a Or Hp 51604a ink cartridges ) ?
Here's one from 2015.? It seems they omitted the Food black two or Black 7984 (a complex diazo dye) which is cataloged by NIH. Not sure if it is the same since it says proprietary and does not give a
By Frank Mashockie · #147700 ·
Re: Anyone able to do GC or GC-MS on Hp ThinkJet Black ink ( for the Hp ThinkJet 2225 printer; Hp 9226a Or Hp 51604a ink cartridges ) ?
HP MSDS data for 2002, for 51604A Black Component/Substance CAS Number ?EU Number % by Weight Ethylene glycol ? 107-21-1 203-473-3 <35% Triethylene glycol 112-27-6 203-953-2 <15% Food Black 2 acid
By Roy Thistle · #147699 ·
Re: Anyone able to do GC or GC-MS on Hp ThinkJet Black ink ( for the Hp ThinkJet 2225 printer; Hp 9226a Or Hp 51604a ink cartridges ) ?
Are you asking for someone to do this for free for you? As a favor?? I don't know how much experience you have with GC-MS (I worked as an analytical chemist for years) but there's a lot of work that
By Frank Mashockie · #147698 ·
Re: Anyone able to do GC or GC-MS on Hp ThinkJet Black ink ( for the Hp ThinkJet 2225 printer; Hp 9226a Or Hp 51604a ink cartridges ) ?
-- Am? Still?? Looking for anyone able to do GC or GC-MS .... on the Hp black ThinkJet inks: I am trying to experiment on the inks & the printer for various purposes... So knowing ? what,? ? &
By gren · #147697 ·
Looking for POWER keycap for 3586B
Anyone got a parts mule? ?I am looking for the Power button keycap for the 3586B. ?This is the standard "shadow" switch type keycap approximately 0.55 inch x 0.325 inch. ?The old one got lost
By Tim Wright · #147696 ·
Re: problems with an E4407B spectrum analyzer
Hej Peter Pr?v og ring til mig Mvh Hardy Fra: [email protected] <[email protected]> P? vegne af Peter Hansen Sendt: 4. oktober 2024 11:00 Til:
By hardyhansendk · #147695 ·
Re: 8131A Error F500
Hi, Swapping the cards between the two instruments is a good idea, you will have a better idea which cards are faulty. And if you have a fully functional generator, you can work on the first one
By Yves Tardif · #147694 ·
Re: problems with an E4407B spectrum analyzer
Hi, In my case I did not have the B72 option. I had bought and installed the missing circuits on the flash card and repositioned a jumper. I also used an old PC under XPpro to create the
By Yves Tardif · #147693 ·
Re: 8131A Error F500
Here's a link I found online to the service manual for 8131A if you don't have it already. ? https://www.doe.carleton.ca/~nagui/labequip/datagen/8131A_Service%20Manual.pdf
By Frank Mashockie · #147692 ·
Re: E8401A VXI Mainframe Power Supply
That's what I first thought - no signs or smell. I took the filter out and nothing suspicious on the outside. Thx, Wolfgang
By Wolfgang Schraml · #147691 ·
Re: problems with an E4407B spectrum analyzer
Hi Peter, I have used second option Razvan mentioned to upgrade my 4402B (after upgrading flash module by soldering 2 more memory chips). What I did: 1. download A.14.06 firmware package (.exe)
By Vladimir Filip · #147690 ·