Electronics Forum: water and filter (Page 2 of 29)

question about sound filter for a solo show

Electronics Forum | Sat Sep 27 11:30:06 EDT 2003 | Fede Muelas

Hi, My name is Federico Muelas, I�m an artist working with technology and I�m having a solo show in Barcelona at the end of the year titled �the sound of the chocolate smell� where I�m showing my recent installation pieces, you can check the info of

Aqueous cleaner water disposal

Electronics Forum | Mon Sep 09 19:17:56 EDT 2002 | dragonslayr

steve- once again I mention that the lead that is actually in the water is in solution i.e. the lead is in a molecular form that has attached to a H2O molecule. To have a minimum of lead that is below the regulated ppm, there cannot be any chunks,

DI water testing?

Electronics Forum | Tue Aug 28 11:54:25 EDT 2007 | rgduval

Dave, To tell you the truth, I couldn't tell you. I came into this company with the system installed. When the resistivity is depleted, I call Culligan. It may only be an in-line cartridge filter that they change. We've noted a change in water q

Aqueous cleaner water disposal

Electronics Forum | Tue Aug 27 11:08:24 EDT 2002 | slthomas

We use an evaporator, so that we only have a sludge of flux residue and solder metal to dispose of via the hazmat handling service. We also route stencil washer waste water into it. We use a 30 gallon drum and have it hauled off maybe twice a year,

Aqueous cleaner water disposal

Electronics Forum | Sat Sep 07 06:57:33 EDT 2002 | mk

I agree but, are there really heavy metals in this water? Our process is as follows. Print Paste Reflow Board (no components, water soluble paste only) Wash Board Same reflow profile for almost every order so no solder balling issues etc. Carbon an

Aqueous cleaner water disposal

Electronics Forum | Mon Sep 09 13:46:34 EDT 2002 | dragonslayr

Your lack of obvious solder balls indicates you have a decent process. However, there are still small solder balls that are free and floating on the surface of the boards prior to wash. That same solder ball is washed off and ends up in the wash solu

Re: DI water

Electronics Forum | Tue Mar 30 16:51:17 EST 1999 | Chris Lampron

| We've been using a newly installed DI re-circulating system. | It's been a big headache. Mostly understanding what causes our resistivity to be unpredictable. I think I've got a handle on that part now. The system consists of a Carbon,HMR(chealet),

Re: DI water

Electronics Forum | Tue Mar 30 19:58:25 EST 1999 | Scott McKee

| We've been using a newly installed DI re-circulating system. | It's been a big headache. Mostly understanding what causes our resistivity to be unpredictable. I think I've got a handle on that part now. The system consists of a Carbon,HMR(chealet),

Re: DI water

Electronics Forum | Fri Apr 02 11:18:02 EST 1999 | Scott McKee

| | We've been using a newly installed DI re-circulating system. | | It's been a big headache. Mostly understanding what causes our resistivity to be unpredictable. I think I've got a handle on that part now. The system consists of a Carbon,HMR(cheal

Mixing No-clean and water soluble processes

Electronics Forum | Tue Feb 23 12:56:03 EST 2010 | vleasher

Is there any harm in washing SMT soldered with NoClean paste? The PCA has some large thru-hole connectors that we would prefer to do as water soluble on out selective solder but the SMT consists of LGA's and other low parts that we would not be able


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