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. 2023 Feb 14;4(1):102120. doi: 10.1016/j.xpro.2023.102120

Substrate buffer for ELISA

Reagent Final concentration Amount
Citric acid 22.65 mM 2.38 g
Na2HPO4 · 2 H2O 51.4 mM 4.575 g
ddH2O N/A Add to 500 mL
Total N/A 500 mL

Store at 4°C for no longer than 6 months.