[Table of Contents] [Search]


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Persian ink



Susan,
A traditional recipe for Persian ink is:

500 g water
5 g salt
250 g gum arabic
30 g gall apples, grilled and powderized
40 g iron sulphate (copperas/ferrous sulphate/green vitriol)
30 g honey

This gives a very glossy ink, and that can be part of
the problem.  In dry weather, the ink might shrink
up and begin curling off the burnished paper, surface
sized with egg white.

Excess sulfuric acid, from the iron sulfate, can also
eat away the surface of the paper (or parchment, in
the case of mss. on animal skin) allowing the letters
to drop off the page.

Jack

>I have a page from a Koran, probably 18th or 19th c.,
>manuscript not printed, in which some of the letters
>have simply vanished, taking the paper with them!

>Susan Fatemi,
>susanf@peer.berkeley.edu


Thompson Conservation Lab.
7549 N. Fenwick
Portland, OR  97217

503/735-3942 (voice/fax)

http://www.teleport.com/~tcl

"The lyfe so short; the craft so long to lerne"
        Chaucer, Parlement of Foules, 1386

             ***********************************************
            BOOK_ARTS-L: The listserv for all the book arts.
      For subscription information, the Archive, and other related
            resources and links go to the Book_Arts-L FAQ at:
                      <http://www.philobiblon.com>

                          To unsubscribe send:
                            UNSUB Book_Arts-L
                           ALL COMMANDS GO TO:
                        LISTSERV@LISTSERV.SYR.EDU
             ***********************************************


[Subject index] [Index for current month] [Table of Contents] [Search]