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

Table 1

Calibration stock standards.

Standard level	Mass of mix stock (g)	Final mass (g)	Concentration (ppm)
			GL	DGuA
SL1	NA	NA	0	0
SL2	0.117	10.019	1.3	3.58
SL3	0.229	10.592	2.39	6.62
SL4	0.518	10.037	5.71	15.81
SL5	1.006	10.027	11.11	30.75
SL6	2.011	10.072	22.12	61.19
SL7	4.033	10.001	44.62	123.47