Application of Sephadex LH-20 for Microdetermination of Dopamine by Solid Phase Spectrophotometry

Table 3

Effect of ascorbate on the determination of 1.2 𝜇g mL⁻¹ of dopamine.

Ascorbate content (𝜇g mL^−1)	Absorbance of solid phase^a
0	1.664
0.4	1.644
0.4	1.664^b
0.6	1.664^b

aAir as reference, ^bAfter removal of ascorbate by Dowex1-X8.