[78-L] More on cleaning lacquers

[Cary Ginell]

Looks like I'm on the right track then. The paint brush applicator, however, doesn't seem to get the detergent into the grooves fully. Will letting the solution sit for a while help this? Or should I use something else to apply the liquid?

 

Cary Ginell
 
> From: thedoctor at discdoc.com
> Date: Mon, 5 Oct 2009 08:57:43 -0500
> To: 78-l at klickitat.78online.com
> Subject: Re: [78-L] More on cleaning lacquers
> 
> Hi Cary,
> 
> Sorry for mis-spelling your name. In our hands, very low 
> concentrations of aqueous Triton X-100 were both safe for use on 
> lacquer discs & moderately effective cleaning agents. Nonetheless, 
> prior experience suggested that blending Triton X-100 with a carefully 
> selected mixture of ionic surfactants should improve its performance & 
> this proved to be the case. As it turned out, minor adjustment of the 
> favored vinyl formulation afforded a solution that proved to be both 
> safe & a more effective cleaner than aqueous Triton X-100 alone, other 
> commercially available record cleaning fluids or common diy recipes. 
> 23 years later we still think so.
> 
> We prefer an applicator that is more effective at agitating fluid in 
> the groove & uses fluid in a more controlled fashion than standard 
> issue paint brushes.
> 
> A drop is a somewhat vague quantity but even 1 drop as 1/10-1/20 mL in 
> a pint, 454 mL, is a significantly higher concentration than we found 
> needed to obtain good cleaning levels using on Triton X-100 in RO 
> (reverse osmosis) filtered water. Regardless, "a drop or 2" should 
> not be harmful. If residual surfactant remains after vacuuming, a 
> water rinse should suffice.
> 
> We've chosen ingredients based upon safety, effectiveness, 
> availability & the ability to rinse free from the surface being 
> cleaned. There was never a need to restrict potential materials past 
> these criteria.
> 
> Regards,
> 
> Duane Goldman
> 
> 
> 
> On Oct 4, 2009, at 11:43 AM, Cary Ginell wrote:
> 
> >
> > The dlituion I will be using is a few drops for a pint of distilled 
> > water. Is that safe enough? And if it is effective at high 
> > dilution, does that not make the cleaning process even less 
> > expensive? If it is effective, why was it necessary to develop 
> > alternatives?
> >
> > And the name is Cary, not Gary.
> >
> > Cary Ginell
> >
> >> From: thedoctor at discdoc.com
> >> Date: Sun, 4 Oct 2009 11:14:14 -0500
> >> To: 78-l at klickitat.78online.com
> >> Subject: Re: [78-L] More on cleaning lacquers
> >>
> >> Hi Gary,
> >>
> >> Had we found water/Triton X-100 mixtures alone & a paint brush to
> >> afford safe & thorough cleaning of lacquers &/or acetates or shellacs
> >> discs for that matter, we would not have made an effort to develop
> >> alternatives.
> >>
> >> Be careful when using non-ionic surfactants as they are only 
> >> effective
> >> when used at very high dilution. More is not better.
> >>
> >> Cheers,
> >>
> >> Duane Goldman
> >>
> >> On Oct 4, 2009, at 9:42 AM, Cary Ginell wrote:
> >>
> >>>
> >>> My father, who is a chemist and retired conservation scientist for
> >>> the Getty Institute, recommended a cleaning solution to use on
> >>> lacquer reference discs. He recommends a diluted solution of
> >>> distilled water and Triton X-100, which is the brand name for Octyl
> >>> Phenoxy Polyethoxyethanol. He recommends applying it with a thin
> >>> paint brush, which treats the grooves gently and won't leave any
> >>> lint. Don't know if anyone is familiar with this method or not, but
> >>> I'm going to give it a try.
> >>>
> >>> Cary Ginell
> >>
> >> H D Goldman Lagniappe Chemicals Ltd.
> >> PO Box 37066 St. Louis, MO 63141 USA
> >> v/f 314 205 1388 thedoctor at discdoc.com
> >>
> >>
> >>
> >>
> >>
> >>
> >>
> >>
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> > 
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> 
> H D Goldman Lagniappe Chemicals Ltd.
> PO Box 37066 St. Louis, MO 63141 USA
> v/f 314 205 1388 thedoctor at discdoc.com
> 
> 
> 
> 
> 
> 
> 
> 
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