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Table 2 Most abundant monocarboxylate and dicarboxylate anions observed in petroleum-field brines, their most likely maximum concentration in these fluids, and their concentrations used in the composite ore-fluid model of this study

From: Transport of Pb and Zn by carboxylate complexes in basinal ore fluids and related petroleum-field brines at 100 °C: the influence of pH and oxygen fugacity

Acid anion

 

Model ore-fluid concentration

IUPAC

Common

Petroleum-field brine concentration (likely maximum, mg L-1)a

/mg L-1

/mol kg-1

Monocarboxylate anions

Ethanoate

Acetate

5000

7700

0.13

Propanoate

Propionate

2000

Butanoate

Butyrate

500

pentanoate

Valerate

200

Dicarboxylate anions

Propanedioate

Malonate

100

300

0.0029

Butanedioate

Succinate

100

Pentanedioate

Glutarate

100

  1. aKharaka et al.[79]