Analytical data of inter-day and intra-day

Parameter	NLB			NLX			NLT
Parameter	Taken µg mL^-1			Taken µg mL^-1			Taken µg mL^-1
Inter-day	5	50	150	80	160	200	50	200	240
% Found	99.5	99.68	99.26	99.75	99.23	100	99.82	99.96	99.84
	100	99.47	99.86	100	99.74	99.48	99.26	99.24	99.12
	99.87	99.12	99.98	99.52	99.24	99.86	99.42	99.87	99.63
Mean	99.79	99.43	99.7	99.76	99.4	99.78	99.5	99.69	99.53
± SD	0.26	0.28	0.39	0.24	0.29	0.27	0.29	0.39	0.37
%RSD	0.26	0.28	0.39	0.24	0.29	0.27	0.29	0.39	0.37
%SE	0.15	0.16	0.23	0.14	0.18	0.16	0.17	0.23	0.21
Intra-day	5	50	150	80	160	200	50	200	240
% Found	100	99.96	100	99.25	99.64	99.26	100	99.27	99.32
	99.98	99.98	100	99.69	99.87	99.78	99.65	99.65	99.89
	99.97	99.99	99.58	99.97	99.27	100	99.87	99.97	99.47
Mean	99.98	99.98	99.86	99.64	99.59	99.68	99.84	99.63	99.56
± SD	0.02	0.02	0.24	0.36	0.3	0.38	0.18	0.35	0.29
%RSD	0.02	0.02	0.24	0.36	0.3	0.38	0.18	0.35	0.29
%SE	0.01	0.01	0.14	0.21	0.17	0.22	0.1	0.2	0.17

Table 3: Analytical data of inter-day and intra-day precisions for the determination of NLB, NLX and NLT using CZE method.