BMC Chemistry

Table 7 Determination of PA, MP, PP, CH and PS in commercial syrup using the proposed methods

From: Resolution of five-component mixture using mean centering ratio and inverse least squares chemometrics

Sample No.	Concentration (μg mL^-1)					Recovery, %
	Concentration (μg mL^-1)					MCR					ILS
	PA	MP	PP	CH	PS	PA	MP	PP	CH	PS	PA	MP	PP	CH	PS
1	15.36	0.48	0.180	0.100	1.44	98.96	98.00	103.0	98.20	102.0	100.2	97.80	102.1	101.2	99.80
2	17.92	0.56	0.112	0.112	1.68	99.00	99.00	99.30	99.80	101.4	100.6	99.60	103.1	100.5	99.60
3	20.43	0.64	0.960	0.960	1.92	101.10	99.60	98.80	100.8	100.1	101.6	101.2	101.4	101.9	99.90
4	23.04	0.72	0.144	0.144	2.16	100.51	100.3	100.2	99.40	99.40	99.30	101.4	101.3	101.3	98.60
5	25.60	0.80	0.160	0.160	2.40	100.31	98.20	100.6	98.30	98.30	99.60	98.60	102.1	100.6	100.2
Mean recovery						100.0	99.00	100.4	99.30	100.6	100.3	99.70	102.0	101.1	99.60
S.D.^a						0.970	0.960	1.620	1.090	0.990	0.900	1.580	0.720	0.570	0.610
t^b						1.280	0.860	0.980	1.610	1.110
F^b						1.160	0.370	5.060	3.660	2.630

^aStandard deviation.
^bTheoretical values for t and F at p =0.05 are 2.31 and 6.39, respectively.

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