International Journal of Analytical Chemistry / 2014 / Article / Tab 5

Research Article

Development of a Gas Chromatography-Mass Spectrometry Method for the Quantification of Glucaric Acid Derivatives in Beverage Substrates

Table 5

Quantification of GL and DGuA in beverage samples using the standard addition method.

SampleGLDGuA
Concentration (ppm)Average concentration (ppm)% RSDConcentration (ppm)Average concentration (ppm)% RSD

11.82.014%11.412.07%
2.212.6

20.0090.008128%0.3620.318%
0.0060.28

32.82.92%3.53.52%
2.93.6

41.31.211%11.711.92.4%
1.112.1

Average concentration lower than LOQ but higher than LOD.

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