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Table 1 Factors and level for response surface study

From: Enhanced performance of a novel anodic PdAu/VGCNF catalyst for electro-oxidation in a glycerol fuel cell

Factor Low level (−1) High level(+1)
X1:NaOH concentration, M 0.50 6.00
X2: Temperature,(°C) 25 80
X3: Metal catalyst loading (%) 10 30