Research Article
Synthesis of Modified Magnetic Graphene Oxide with Mesoporous Silica for Extraction of the Pharmaceutical Compound Quercetin
Table 3
Effect of interfering species in the presence of 500 μg L−1 quercetin.
| | Coexisting substance | Tolerance limit |
| | Ni(NO3)2.6H2O | 5 | | Hg(NO3)2.H2O | | Cd(NO3)2.4H2O |
| | Cr(NO3)3.9H2O | 10 | | Al(NO3)3.9H2O | | Cu(NO3)2.3H2O | | Mn(NO3)2.4H2O | | Gallic acid |
| | Ca(NO3)2.4H2O | 20 |
| | La(NO3)3.6H2O | 15 |
| | Caffeine | 25 |
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