Development and Validation of a Complexometric and Potentiometric Titration Method for the Quantitative Determination of Zinc Pyrithione in Shampoo

Table 3

Robustness of the method for potentiometric and complexometric titration.

	Potentiometric titration	Complexometric titration
Critical value	0.0022	0.0038
HCl volume	0.0006	NR
Heating temperature	NR	0.0081
pH	NR	0.0027
Rest time	0.0016	0.0126
Sample weight	NR	0.0223
Starring time	0.0017	0.0018
Starring velocity	0.0014	NR
Titrant addition rate	0.0017	NR

NR: no response.