Development and Validation of High Performance Liquid Chromatographic Analysis of Residual N,N-Dimethylformamide in Spent Medium after Biodegradation by Paracoccus denitrificans SD1

Table 1

Relative standard deviation of each concentration of DMF calibration curve.

Concentration of DMF (%)	Average peak area of 4 independent times	% RSD
0.2	2752819	0.24
0.4	5505573	0.21
0.6	8258309	0.19
0.8	11810853	0.20
1.0	13763696	0.16