Research Article
Determination of Phosphorus in Soil by ICP-OES Using an Improved Standard Addition Method
Table 8
Comparison of the recovery rate for the three methods.
| | Sample | ISAM | CCM | SAM | | Recovery rate (%) | Recovery rate (%) | Recovery rate (%) |
| | GSS-5 | 97.7 | 92.4 | 98.4 | | GSS-8 | 105.9 | 105.7 | 96.1 | | GSS-14 | 100.0 | 103.2 | 96.4 | | GBW (E) 070041 | 98.5 | 92.5 | 102.7 | | Blank | 98.6 | 100.8 | 96.0 |
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