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Stable Isotope Geochemistry <[log in to unmask]>

Subject:

Alunite

From:

Dachun Zhang <[log in to unmask]>

Date:

Wed, 12 Nov 1997 11:22:33 -0800

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Stable Isotope Geochemistry <[log in to unmask]>

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Dear All:

I will be very grateful if somebody can give me suggestions or references as how to extract water from alunite, K2SO4.Al2(SO4)3.4Al(OH)3, for D/H and 18O/16O analysis. I tried vacuum distillation at 550 degree C. Instead of pure water, I got sulfuric acid with very strong smell of SO2.

Best regards.

Dachun Zhang

Global Geochemistry Corp.

6919 Eton Ave.

Canoga Park, CA 91303

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