Matrix components | Complexation method | Oxidation method | ||
Concentration mg・L-1 | Recovery % | Concentration mg・L-1 | Recovery % | |
1) Na+, K+, Mg2+, Ca2+, Cl-, , | 3000 | 99.0 ± 1.0 | 2500 | 98.0 ± 1.5 |
2) Citrate, stearat, fumarate, aspartame, gelatin, sugar, L-ascopric acid. | 1000 | 98.0 ± 1.0 | 8.0 | 98.5 ± 1.0 |
3) Sunset yellow | 4.5 | 97.5 ± 1.5 | 3.5 | 97.0 ± 1.5 |
4) Tropaeolin ooo | 6.1 | 96.5 ± 2.0 | 4.5 | 96.0 ± 2.0 |
5) Allura red Ac | 5.0 | 97.0 ± 2.0 | 4.0 | 96.8 ± 1.0 |