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Accuracy and precision of the free formaldehyde determination method for tetanus toxoid and DT vaccine
| Spiked Formaldehyde Concentration (%w/v) | Recovery for tetanus toxoid (%) | (RSD) Intra-precisio for tetanus toxoid (n =5) | Recovery for DT vaccine (%) | (RSD) Intra-precision for DT vaccine (n =5) |
|---|---|---|---|---|
| 0.001 | 102.03 | 3.74 | 104.01 | 2.03 |
| 0.002 | 107.78 | 2.24 | 109.39 | 4.79 |
| 0.0005 | 113.54 | 8.32 | 115.90 | 9.51 |
