Research Article

A Robust Static Headspace GC-FID Method to Detect and Quantify Formaldehyde Impurity in Pharmaceutical Excipients

Table 3

Accuracy, intraday, and interday precision of the developed method.

Formaldehyde spiked (µg/g)PVP K-30PEG 400
Mean recovery % (n = 3)Intraday precision (RSD%) (n = 3)Interday precision (RSD%) (n = 6)Mean recovery % (n = 3)Intraday precision (RSD%) (n = 3)Interday precision (RSD%) (n = 6)

10.0104.272.651.9287.760.753.18
50.0498.141.481.5689.791.593.24
500.498.992.963.6197.702.042.67
1000.997.891.521.56101.122.072.05