A Visible Colorimetric Fluorescent Probe for Hydrogen Sulfide Detection in Wine

Table 1

Determination of H₂S concentrations in wine.

Sample	H2S level found (µmol)	Added (µmol)	H2S level found (µmol)	Recovery (%)	s^2
Red wine A	0.53	50	53.02	104.88	0.007
		100	100.21	99.68	0.005
Red wine B	0.69	50	48.90	96.47	0.001
		100	98.14	97.33	0.004
Red wine C	0.74	50	46.10	90.65	0.005
		100	97.14	96.28	0.005
Red wine D	0.49	50	47.96	94.99	0.004
		100	98.12	97.64	0.006
Beer A	0.41	50	50.71	100.59	0.004
		100	100.32	99.91	0.005
Beer B	0.28	50	49.10	97.65	0.002
		100	100.34	100.00	0.006
Beer C	0.32	50	55.36	110.00	0.001
		100	105.43	105.09	0.005

The test was repeated 3 times.