1. Comparison of TDS Values for l-Serine in D2O, Using Either Manual Polynomial Fitting or airPLS to Correct the Linear OD Background .
| manual |
airPLS |
|||
|---|---|---|---|---|
| concentration (mM) | TDS (D 2) | % error | TDS (D 2) | % error |
| 40 | 0.209 | 4.5% | 0.202 | 1% |
| 20 | 0.222 | 11% | 0.195 | 2.5% |
| 10 | 0.226 | 13% | 0.196 | 2% |
| 5 | 0.284 | 42% | 0.256 (0.241**) | 28% (21%**) |
| mean* | 0.219 | 9.5% | 0.198 | 1% |
| standard deviation* | 0.007 | 0.003 | ||
*5 mM data not included in calculation of mean or standard deviation. **Savitzky–Golay noise filtering used in addition to airPLS.