Table 2
Determination of nitrite in sausage samples.
Sample Added
(ng mL
−1
)
Found
a
(ng mL
−1
)
Recovery
(%)
Amounts of nitrite (μgg
−1
)
This method Standard method
Sausage 1 – 66.1 ±2.5 – 13.4 ±0.4 12.9 ±0.4
60 126.7 ±4.3 101.0
Sausage 2 – 53.9 ±1.8 – 9.2 ±0.3 9.1 ±0.3
60 113.5 ±3.8 99.4
a
x ±ts /√n at 95% confidence (n =5).