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Analysis of recombinant protein purity and heterogeneity by capillary electrophoresis

Determination of acetic acid (acetate anions) in natural water and wastewater

INTRODUCTION

The method is used for the determination of acetic acid (as acetate ions) in the samples of natural, drinking, and waste water by capillary electrophoresis.

MEASURING METHOD

The method is based on the sample filtration and dilution and its subsequent analysis by capillary electrophoresis with indirect anion detection at 254 nm for CAPEL ® -103PT/104T and at 266 nm for CAPEL ® - 105/105M.

MEASUREMENT RANGE

Measurement ranges, mg/L CAPEL ® System
0.1–10000 103 РТ /104 Т /105
0.01–10000 105 М

The upper bound of the measurement range is indicated allowing for the dilution. Carbonates and other inorganic anions at concentrat ions characteristic of these sample types do not interfere with determination of the acetic acid within the 0.1–10000 mg/l range. For analyses of samples with a low acetic acid content (lower than 0.1 mg/l) the tota l content of basic inorganic anions (chlorides, sulfates, and carbonates) in the sample should not be higher than 300 mg/l.

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Determination of acetic acid (acetate anions) in natural water and wastewaterDownload application file
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