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Relative amount (%) of carboxylic acids (linear and saturated, or normal; unsaturated; dicarboxylic; iso/anteiso; other branched; and cyclopropyl) in the three sinter mounds at El Tatio. “Unsaturated” includes mono- and di-unsaturated carboxylic acids, whereas “other branched” covers middle chain mono-methyl carboxylic acids.
