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A gas-liquid chromatography procedure quantifies poly-beta-hydroxybutyrate and poly-beta-hydroxyvalerate in activated sludge, suggesting a novel analytical approach.
A convenient gas-liquid chromatography procedure to quantify poly-beta-hydroxybutyrate and poly-beta-hydroxyvalerate in activated sludge was developed by combining lyophilization of the samples, purification of the chloroform phase by water reextraction, and the use of capillary columns. With a flame ionization detector the sensitivity was estimated at 10 g/liter.
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Comeau et al. (1988) studied this question.
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