Table 3 Trueness of the developed method for the Bromoxynil and MCPA
(a) Trueness of the developed method for the Bromoxynil | ||||
|---|---|---|---|---|
Conc. (mg/L) | Mean peak area of standarda | Mean peak area of samplea | Observed yield (mg/L) | Percentage recovery (%) |
150 | 6490553 | 6461836 | 149.3 | 99.6% |
200 | 8481149 | 8460868 | 199.5 | 99.8% |
250 | 10236719 | 10202255 | 249.2 | 99.7% |
300 | 11811751 | 11779311 | 299.2 | 99.7% |
350 | 13282454 | 13231410 | 348.7 | 99.6% |
(b) Trueness of the developed method for the MCPA | ||||
|---|---|---|---|---|
Conc. (mg/L) | Mean peak area of standarda | Mean peak area of samplea | Observed yield (mg/L) | Percentage recovery (%) |
150 | 4806238 | 4772312 | 149.0 | 99.3% |
200 | 6328977 | 6288986 | 198.7 | 99.4% |
250 | 7811343 | 7768557 | 248.6 | 99.5% |
300 | 9187722 | 9125635 | 298.0 | 99.3% |
350 | 10551859 | 10476843 | 347.5 | 99.3% |