LC/UV GC/FID
INTRA-DAY PRECISION
RR mean 12.481 – 12.783 0.046 – 0.047
CV% 1.9 – 2.6 4.1 – 8.2
INTER-DAY PRECISION
RR mean 12.590 0.031
CV% 2.4 6.6
SD 0.296 0.002
ACCURACY
 % Recovery 99.7-100.5 94.4-105.5
LOQ (ppm) 25 17
LOD (ppm) 12.5 7
Table 4: Statistical parameters of precision, accuracy, LOQ and LOD.