BMC Chemistry

Table 4 Assay results for determination of FRS in its dosage forms by the proposed method

From: Use of green fluorescent nano-sensors for the determination of furosemide in biological samples and pharmaceutical preparations

Preparation	Proposed method			Comparison methods [4]
Preparation	Amount taken^a (µg/mL)	Amount found (µg/mL)	% Recovery	Comparison methods [4]
a-Lasix20 mg/2mLampoules	0.1	0.98	98.96	101.03
	0.2	0.202	101.04	98.97
	0.3	0.299	99.65	100.34
‾x			99.88	100.11
± SD			± 1.06	± 1.05
% RSD			1.06
% Error			0.61
t-test			0.27(2.77)^b
F-test			1.02(19)^b
b-Lasix® 40 mg tablets	0.1	0.102	102.08	102.90
	0.2	0.196	97.92	97.09
	0.3	0.302	100.69	100.96
X̅			100.23	100.31
± SD			± 2.12	± 2.96
% RSD			2.11
% Error			1.22
t-test			0.04(2.77)^a
F-test			1.95(19)^a

^a Each result was the average of three separate determinations
^b The figures between brackets were the tabulated t and F values at P = 0.05²⁶
a- Ampoule contains20 mg/ 2 mL FRS. b-Tablets contain 40 mg FRS.

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ISSN: 2661-801X

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