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Table 2 Intraday and interday laboratory precision and accuracy results for the analysis of NMC and EC in fermented food (n=5)

From: Simultaneous determination of methylcarbamate and ethylcarbamate in fermented foods and beverages by derivatization and GC-MS analysis

Compound Spiked Conc.(mg/L) Intraday measured value Interday measured value
Mean ± SD (mg/L) Accuracy (%) Precision (%) Mean ± SD (mg/L) Accuracy (%) Precision (%)
NMC 0.0500 0.0492 ± 0.0031 98.4 6.30 0.0474 ± 0.0052 94.8 11.0
0.0020 0.0018 ± 0.0002 90.0 11.1 0.0017 ± 0.0002 106 11.8
EC 0.0500 0.0532 ± 0.0030 106 5.64 0.0546 ± 0.0065 109 11.9
0.0020 0.0018 ± 0.0002 90.0 11.1 0.0019 ± 0.0002 95.0 10.5