An Ultrasound Assessed Extraction Combined with Ion-Pair HPLC Method and Risk Assessment of Nitrite and Nitrate in Cured Meat

Table 1

Quality parameters and method performance.

Parameters	Sodium nitrite	Sodium nitrate
LOD (ng·ml^−1)	0.0006	27.4
LOQ (ng·ml^−1)	0.002	91.4
Correlation coefficient	0.9997	0.9996
Linearity range (µg·ml^−1)	1.86 × 10^−6–7.5	0.09–5.0

LOD = limit of detection; LOQ = limit of quantification.