Table 3. Relative standard deviation and recovery of SRM 3252
| Compound | Analyzed value1) | Reference value1) | Recovery (%)2) | RSD (%)3) |
| Ca (㎎/100 g) | 1683.90±5.72 | 1784.0±99.00 | 94.39 | 0.34 |
| P (㎎/100 g) | 1494.65±31.04 | 1721.0±70.00 | 86.85 | 2.08 |
| K (㎎/100 g) | 1062.63±20.32 | 1155.0±53.00 | 92.00 | 1.91 |
| Na (㎎/100 g) | 680.38±1.56 | 682.0±17.00 | 99.76 | 0.23 |
| Mg (㎎/100 g) | 604.78±4.99 | 633.7±17.40 | 95.44 | 0.82 |
| Fe (㎎/100 g) | 34.64±0.25 | 38.1±1.30 | 90.91 | 0.72 |
| Mn (㎎/100 g) | 1.07±0.01 | 1.1±0.05 | 96.39 | 0.84 |
| Zn (㎎/100 g) | 20.43±0.11 | 23.5±1.20 | 86.95 | 0.52 |
| Cu (㎎/100 g) | 3.27±0.08 | 3.6±0.07 | 90.00 | 2.46 |
| Mo (㎍/100 g) | 107.48±2.11 | 119.0±20.00 | 90.32 | 1.97 |
| Se (㎍/100 g) | 58.06±2.39 | 59.6±3.70 | 97.41 | 4.12 |
1)Values are means±standard deviation.
2)Recovery (%) = analysis value/reference value×100
3)Relative standard deviation.