Research Article
An Environmentally Friendly Compact Microfluidic Hydrodynamic Sequential Injection System Using Curcuma putii Maknoi & Jenjitt. Extract as a Natural Reagent for Colorimetric Determination of Total Iron in Water Samples
Figure 6
Stability of Curcuma putii Maknoi & Jenjitt. extract. (a) 0–7 hours. (b) 0–30 days before mixing with 10 mg L−1 of iron (III) solutions.
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