Life of gum dichromate mixture

From: John Brewer ^lt;[email protected]>
Date: 07/01/05-12:43:24 PM Z
Message-id: <004701c57e6c$c37a0a10$6e842052@john3lfqb5rpyy>

Can anyone tell me how long gum + dichromate + pigment may be kept before it is unusable?

Thanks

John.
Received on Fri Jul 1 12:41:53 2005

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