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The final separation of the ten volatile nitrosamines DB-624 (30 m × 0.25 mm × 1.40 μm) column. 1. NMDA 2. NDEA 3. NDPA 4. NMOR 5. NPYR 6. NPIP 7. NDBA 8. NDPHA 9. NDCHA 10. NDBZA [49]. It has been published before in Chinese Journal Analytical Chemistry and permission to reproduce the figure has been granted.
