Application of the Principles of Green Chemistry for the Development of a New and Sensitive Method for Analysis of Ertapenem Sodium by Capillary Electrophoresis

Table 6

Factors and Levels of variability using the experimental model of Plackett-Burman.

Parameter	Unit	Limit	(-1)	(0)	(1)
(A) Buffer Concentration	mM	1	9	10	11
(B) Voltage	kV	1	14	15	16
(C) Wavelength	nm	1	213	214	215
(D) Injection Time	s	1	4	5	6
(E) Rinsing of capillary	min	1	1	2	3
(F) Temperature of cartridge	°C	1	24	25	26
(G) Temperature of sample storage	°C	1	24	25	26