Development and Validation of UV-Visible Spectrophotometric Method for the Determination of 5-Hydroxymethyl Furfural Content in Canned Malt Drinks and Fruit Juices in Ghana

Table 3

Results showing precision of results from the developed method.

Precision parameters			Mean absorbance ± SD	RSD (%)
Intra-assay precision	Outcome from 6 replicate determinations		0.5040 ± 0.00698	1.37
	Triplicate determinations from three different concentrations	0.0025 mg/ml	0.3240 ± 0.001	0.31
		0.005 mg/ml	0.6813 ± 0.010	1.50
		0.02 mg/ml	2.833 ± 0.031	1.09
Interassay precision	Day 1	Analyst 1	0.5037 ± 0.005	0.90
		Analyst 2	0.5003 ± 0.002	0.46
	Day 2	Analyst 1	0.5043 ± 0.004	0.70
		Analyst 2	0.4990 ± 0.003	0.69
	Day 3	Analyst 1	0.4753 ± 0.005	1.04
		Analyst 2	0.4767 ± 0.006	1.37
Acceptance criteria				<2