From: Analysis of hydrazine in smokeless tobacco products by gas chromatography–mass spectrometry
Validation parameter | Value |
---|---|
Linear range | 8–170 ng/mL |
Linear curve | y = 1.03 × 106 x − 1886.88 |
R 2 | 0.9996 |
Accuracy across 5 types of STP (% mean ± RSD recovery) | 64.0%–105.2% |
Accuracy across 4 types of STPa (% mean ± RSD recovery) | 75.7%–105.2% |
Precision across 5 types of STP (%RSD of repeatability of spike recovery) | 7.8%–11.9% |
LOQ for 5 types of STP | 53.0 (ng/g) |
LOQ for 4 types of STPa | 26.5 (ng/g) |
LOD | <10 (ng/g) |