Chemistry: analytical and immunological testing – Geochemical – geological – or geothermal exploration – For petroleum oils or carbonaceous minerals
Patent
1990-01-05
1992-03-24
Lacey, David L.
Chemistry: analytical and immunological testing
Geochemical, geological, or geothermal exploration
For petroleum oils or carbonaceous minerals
436174, 436177, G01N 3324, G01N 2400, G01N 118
Patent
active
050988441
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.
REFERENCES:
patent: 4093420 (1978-06-01), Grayson et al.
Grayson, "Relationship of Palynomorph Translucency to Carbon and Hydrocarbons in Clastic Sediments", (1973), pp. 261-273.
Nolte David G.
Royle Rae A.
Chan William
Delhommer Harold J.
Lacey David L.
Park Jack H.
Priem Kenneth R.
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