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ARSCLIST  April 2015

ARSCLIST April 2015

Subject:

Re: lacquer disks with the white stuff on them

From:

Steven Smolian <[log in to unmask]>

Reply-To:

Association for Recorded Sound Discussion List <[log in to unmask]>

Date:

Fri, 17 Apr 2015 12:30:55 -0400

Content-Type:

text/plain

Parts/Attachments:

Parts/Attachments

text/plain (79 lines)

I've been using Disc Doctor as my usual record cleaning solution for just about as long as I can recall- at least 10 years, probably 15.   Works well on LPs and 78s.  It's great for lacquers as well.  The Library of Congress' preservation testing folks reported on a shootout among record cleaning solutions at the last ARSC conference and, though not identified by name from the rostrum (legal reasons), subsequent conversations with the presenter confirmed via wink and nod that this was the hands-down- er- hands off winner.  

Steve Smolian

-----Original Message-----
From: Association for Recorded Sound Discussion List [mailto:[log in to unmask]] On Behalf Of Tom Fine
Sent: Friday, April 17, 2015 11:53 AM
To: [log in to unmask]
Subject: Re: [ARSCLIST] lacquer disks with the white stuff on them

Hi Duane:

What is a "biological grade buffer"? And, are you saying that your "Miracle Record Cleaner" with this "bilogical grade buffer" is what is needed to remove this white stuff? If so, what is the pricing and how does one order?

I have to say, it would be awesome if there's some liquid I can apply to this and remove it. Will it stay removed or is it somewhat akin to sticky-shed with tapes (ie it will come back because it's an on-going chemical process)?

By the way, how do you recommend one goes about removing this? It seems like a bad idea to gum up my VPI brush and vacuum pad. Can I do this by hand with a "shammy cloth"? Afterward, should I water rise or VPI clean?

-- Tom Fine

----- Original Message -----
From: "H D Goldman" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Friday, April 17, 2015 11:42 AM
Subject: Re: [ARSCLIST] lacquer disks with the white stuff on them


> Hi Tom,
>
> As has been mentioned a number of times during similar queries, our primary phonograph record 
> cleaning solution has been shown to readily & safely deal with this problem.  Heavy contamination 
> can overwhelm the buffer capacity of this solution & often require a second application prior to a 
> rinse.
>
> For more than a few discs, the double washing is too time consuming & we augmented the primary 
> cleaning solution with a specific biological-grade buffer to afford thorough cleaning in a single 
> wash/rinse application.
>
> Using ammonia-based solutions to deal with these residues is an alternate approach but this can 
> generate higher hydroxide concentrations that are potentially reactive with the substrate.  I 
> prefer to avoid the possibility.  The buffered solution is recommended when needed & not listed 
> publicly to keep users from paying for materials they don’t need.
>
> Private & institutional use has shown both products to be safe & effective.  Your milage may vary.
>
> Regards,
>
> Duane Goldman
>
> H D Goldman Lagniappe Chemicals Ltd.
> PO Box 37066 St. Louis, MO 63141 USA
> v/f 314 205 1388 [log in to unmask]
>
>
>
>
>
>
>> On Apr 17, 2015, at 7:06 AM, Tom Fine <[log in to unmask]> wrote:
>>
>> I have some lacquers with the sticky white stuff on them. Substances have been mentioned here on 
>> how to clean it off, but could someone who has actual experience doing this please write up a 
>> "for dummies" process, including exactly what substances need to be acquired and where to acquire 
>> them? Much appreciated!
>>
>> Previous discussions remind me a bit of talk on the Ampex list about cleaning gooey splices. Lots 
>> of chemical names were bandied about, with no references as to what it's actually called in the 
>> marketplace or where to buy it. Finally, I asked an expert (John Chester), hey what are you using 
>> nowadays since we can't get the old kind of "freon" anymore? Naptha, called exactly that and sold 
>> at most hardware stores. John further sent me links to the lab/medical bottles, syring-type 
>> applicator and other tools he uses to successfully clean and spool splices without ripping oxide. 
>> Now THAT was helpful. Would love the same kind of info about how to deal with lacquers with the 
>> sticky white stuff on them.
>>
>> -- Tom Fine
>>
>
> 

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