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Wed, 27 Nov 1996 16:52:44 +0200 |
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Hi,
To analyze epidote, first grind the living day light out of it. Then run
them at least 650 C (Go up to 670 if you have ggod temperature controll.).,
perhaps for 24 but at least 18 hours. You will/can get 100% yield in this
way.
Karlis Muehlenbachs
>Hello to isogeochem watchers,
>
>I have attempted to extract oxygen from epidote using the Ni-vessel and
>BrF5 method. I have heated the vessels at 500 C overnight. From my review
>of literature, no special treatment has been described for epidote oxygen
>extraction using the BrF5 method. I have not produced more than 5% of the
>expected yield of O2. X-Ray diffraction confirmed it was epidote.
>
>Is there a trick I missed for epidote?
>
>Dr. Georges Beaudoin
>Département de géologie et de génie géologique
>Université Laval
>Québec, Québec
>Canada
>G1K 7P4
>tel.: 1-418-656-3141
>fax.: 1-418-656-7339
>email: [log in to unmask]
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