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Posted by RicodJour on April 2, 2008, 10:08 am
>
> > Has someone been pouring solvents down the drain (caused the glue to fail)?
>
> The closest I could come to solvents down the drain would be boiling
> water/vingar to try to clear the clog. Some connections apparently
> didn't like that. The other source of stress would be the snake
> (blade) I pound thru the pipe to clear the clog.
>
> > >Well it seemsthatthe stuffisorganic as it goes right into organic
> > >solvent (ethyl acetate, CHCl3) and not water, or even soapy water??.
> > >The NMR shows an oil-like pattern (vegetable?). Very little
>
> > NMR? CHC13?
>
> NMR (Nuclear Magnetic Resonance) is a chemist's tool that we use to
> see hydrogen atoms. The Medical profession adopted this tech and
> renamed it MRI (Magnetic Resonance Imaging) dropping the "nuclear" as
> it scared people. It doesn't refer to harmful 'radiation', but it does
> have to do with the nucleus of an atom. We spin a small sample of
> compund in a magnetic field. MD's spin the magnetic field around the
> sample (you). CHCl3, actually, CDCl3 (D-chloroform) is a common
> solvent used to dissolve sample for this procedure.
>
> > I love mysteries, but have trouble with your chemistry.......two things
> > come to mind: pigment
> > settled out of paint, and pvc pipe dissolving. Someone in the household
> > works with dust/powders
> > and the stuff comes out in the laundry? I have no idea if/how/why pvc
> > would
> > dissintegrate....just a thought :o)
>
> We are running a household with 2 daughters, one off to college, and
> we aren't home all day. Maybe someone is using our house as a drug
> factory during the day....? Wait! That might explain the $1000 in cash
> we find once a month on the kitchen table...hmmm....
> When I first moved in there 23 yrs ago, my neighbor helped me clear
> that clog. He said that stuff is what happens to grease in the dark.
> He may be right. It only happens in the pipe from the kitchen sink, so
> trace food waste and bits of fat/oil must be the culprits. PVC
> wouldn't dissolve in solvents I used (in the lab) and would have a
> distinct pattern in an NMR spectra. We try not to put any amt of oil/
> grease down the drain. There are dirty plates in the dishwasher, but
> you would expect the soap to keep the grease from gunking out. That is
> what soap does. I guess the slope of that pipe allows water to sit
> over long periods. I expect now that I've actually cleared the clog at
> the source, it won't form again as quickly. I mean that stuff was
> stuck to the top of the pipe as well and took a crow bar to break
> through. Cheers, and thanks for your interest.
What do you use for dishwasher detergent? The white color of the clog
is unusual for any grease or typical kitchen effluent.
R
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