Research Article
Synthesis of ZnO Nanopowders by the Homogeneous Precipitation Method: Use of Taguchi’s Method for Analyzing the Effect of Different Variables
Table 1
List of variables and levels used in the synthesis of ZnO powders.
| | Variables | Levels | | 1 | 2 | 3 |
| | Zn precursor type | ZnAc | Zn(NO3)2 | — | | Precipitating agent type | NaOH | (NH4)2CO3 | NH4OH | | Zn molar concentration (M) | 0.05 | 0.2 | 0.5 | | Saturation percentage (%) | 5 | 25 | 50 | | Solvent type | DI-H2O | CH3-OH | CH3-CH2-OH | | Synthesis temperature (°C) | 50 | 70 | 90 | | Stirring speed (rpm) | 300 | 500 | 1000 | | Stirring time (min) | 30 | 60 | 120 |
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