There is a LOT of sulfur in paper and cardboard products!!
David A. Douthit
> On Jan 29, 2019, at 10:57 AM, Stadem, Richard D <[log in to unmask]> wrote:
>
> Glad you can use it, but don't anyone of you other kids be playing around with melted pipettes and butane torches if you are thinking of trying to isolate half-fractional elements or anything like that!
> Maybe I should have replied to you directly, Richard........
> Still waiting for the "BOOM".
> dean
> -----Original Message-----
> From: Richard Kraszewski [mailto:[log in to unmask]]
> Sent: Tuesday, January 29, 2019 11:38 AM
> To: TechNet E-Mail Forum; Stadem, Richard D
> Subject: RE: Recommendation for Sulfur Spot Tests
>
> Good stuff guys/gals and many thanks.
>
> Rich Kraszewski
> Senior Staff Process Engineer
> Phone: (920) 969-6075
>
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> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Stadem, Richard D
> Sent: Tuesday, January 29, 2019 7:39 AM
> To: [log in to unmask]
> Subject: Re: [TN] Recommendation for Sulfur Spot Tests
>
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> .
> Yes, Mary, you are just like me. I remembered the paper spot test from my days in electronics kindergarten so I tried googling it up and found quite a good bit of information on it. It was called sulfur acetate paper.
> Here is just one: https://www.canada.ca/en/conservation-institute/services/conservation-preservation-publications/canadian-conservation-institute-notes/test-sulfur-acetate-paper.html
>
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Mary Davis
> Sent: Monday, January 28, 2019 1:32 PM
> To: [log in to unmask]
> Subject: Re: [TN] Recommendation for Sulfur Spot Tests
>
> I can't give you anything but a vague memory. It is my memory that decades ago glass slides with a vapor deposited silver mirror coating were used to test paper packaging materials for the presence of sulfur. Sulfur caused the silver mirror to turn black. Sorry I don't have any more details.
>
> Mary Davis,
> Retired Materials & Process Engineer
>
> -----Original Message-----
> From: TechNet <[log in to unmask]> On Behalf Of Richard Kraszewski
> Sent: Monday, January 28, 2019 10:30 AM
> To: [log in to unmask]
> Subject: [TN] Recommendation for Sulfur Spot Tests
>
> Anyone aware of a good spot test to quickly check for sulfur (sulphur) which they are willing to share??
>
> Currently, using the iodine-azide method from the classic Organic Spot Test book by Feigl with limited success.
> Hoping some else could recommend some other.
>
> Rich Kraszewski
> Senior Staff Process Engineer
>
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>
> This e-mail and any attachments are confidential from Plexus Corp. and may contain information which is privileged, confidential, and/or protected by non-disclosure agreements. They are intended solely for the use of the named addressee(s). . Any unauthorized use or disclosure may be unlawful. If you are not a named addressee, you must not use, disclose, retain or reproduce all or any part of the information contained in this e-mail or any attachments If you have received this transmission in error, please destroy it and notify us immediately by return e-mail or by calling + 1 888 208 9005.
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