Method for isolating palynological material from a rock sample in a pressurized reaction cell
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United States of America Patent
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Mar 24, 1992
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N/A
app pub date -
Jan 5, 1990
filing date -
Jan 5, 1990
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Expired
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Abstract
The invention is a method for the isolation of palynological materials from a rock sample in a pressurized reaction cell, which permits reaction at pressures greater than two atmospheres and provides for the removal of all liquids from the cell without significant loss of sample solids, the method employing multiple steps of addition and removal of concentrated and dilute hydrochloric acid, concentrated hydrofluoric acid, concentrated ammonium hydroxide, concentrated nitric acid and deionized water, followed by centrifugation and zinc bromide separation steps.
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