Use of nonradioactive complex metal anion as tracer in subterran

Chemistry: analytical and immunological testing – Geochemical – geological – or geothermal exploration – Using chemical tracers

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436 25, 436 56, 436 73, 436 84, 166250, 166268, 166275, G01N 3320, G01N 3324, E21B 4700, E21B 4900

Patent

active

052468615

ABSTRACT:
Complex metal anions such as cobaltic hexacyanide are utilized as nonradioactive tracers in reservoir studies. Sensitive analytical procedures enable detection and measurement of very low tracer levels.

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