Table 3:
Effect of ascorbate on the determination of 1.2
g mL
−1
of dopamine.
Ascorbate content (
g mL
−1
)
Absorbance of solid phase
a
0
1.664
0.4
1.644
0.4
1.664
b
0.6
1.664
b
Air as reference,
b
After removal of ascorbate by Dowex1-X8.