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. 2023 May 17;4(2):102309. doi: 10.1016/j.xpro.2023.102309

10× Ponceau S staining solution

Reagent Stock concentration Final concentration Add to 100 mL
Ponceau S 2% 2 g
Trichloroacetid acid 30% 30 g
Sulfosalicylic acid 30% 30 g
ddH2O N/A 100 mL

This buffer can be stored at 20°C–25°C for six months.