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 9

Results of robustness for ERTM analysis by CE.

Analytical Parameter	(-1)	Content of test (-1) ()	(1)	Content of test (1) ()
(A) Buffer Concentration	9 mM		11 mM
(B) Voltage	14 kV		16 kV
(C) Wavelength	213 nm		215 nm
(D) Injection Time	4 s		6 s
(E) Rinsing of capillary	1 min		3 min
(F) Temperature of cartridge	24°C		26°C
(G) Temperature of sample storage	24°C		26°C

of average contents in normal conditions and average contents in the altered conditions criteria calculated for test (1) and for test (-1).