A Novel Micellar Electrokinetic Chromatographic Method for Separation of Metal-DDTC Complexes

Table 4

Determination of Co(II) in pharmaceutical preparations.

S. NO	Sample	Metal ion	Amount found by CE (RSD%)	Amount prescribed	C.V
1	Neurobion tablet	Co(II)	3.8 μg/Tablet (3.1)	4.4 μg/Tablet	2.9%
2	Cobalmine injection	Co(II)	43.3 μg/Injection (1.9)	44.0 μg/Injection	1.02%