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Residual moisture content of the freeze-dried PCR mixes, as measured by Karl-Fischer titration.
| Primers or probes | ORF1ab gene | N gene | S gene |
|---|---|---|---|
| Test 1 | 1.224% | 1.197% | 1.133% |
| Test 2 | 1.242% | 1.138% | 1.261% |
| Test 3 | 1.134% | 1.183% | 1.280% |
| Mean | 1.200% | 1.173% | 1.225% |
