6-100 – Protect a Dust Jacket with a Cover

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  • [RESOLVED] 6-100 - Protect a Dust Jacket with a Cover
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Dear Sophia and Classmates,

English language question here. I am not quite sure what the following sentence means:

“Archival quality meaning (for this case) chemically inert (not off-gassing) and pH neutral.”

Off-gassing? Thank you!

 

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Carlijn Bakker Posted by (Questions: 15, Answers: 16)
Asked on May 28, 2022 4:13 am
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Thanks for putting the word in context! Off-gassing is something that occurs in plastics and other things. Think about a new foam mattress that has to sit out for a day because it is smelly. Off-gas means emitting a chemical (that can sometimes smell). Even some books can off-gas. For instance, I know of a situation where a clamshell box was made for a rare book, but the chemical off-gassing from the special materials in the cover caused the book to disintegrate faster than if it had been left out of the box. This is why many conservators learn chemistry.

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Posted by (Questions: 1, Answers: 229)
Answered on May 28, 2022 7:19 am
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    Very clear. Thank you.

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    Carlijn Bakker Posted by (Questions: 15, Answers: 16)
    Answered on May 28, 2022 11:04 pm