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Buffer 4) 250 mL of 0.050 M sodium phosphate, pH 7.0 with 0.050 M NaCl.
Buffer 7) 500 mL of 0.050 M Tris-HCl, pH 8.0. Buffer
8) One liter of 0.05 M ascorbate buffer, pH 4.5 ***Calculate grams of ascorbic acid and volume of 2 M NaOH required to adjust the pH.
Buffer 4) 250 mL of 0.050 M sodium phosphate, pH 7.0 with 0.050 M NaCl.
Buffer 7) 500 mL of 0.050 M Tris-HCl, pH 8.0. Buffer
8) One liter of 0.05 M ascorbate buffer, pH 4.5 ***Calculate grams of ascorbic acid and volume of 2 M NaOH required to adjust the pH.
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