Table 1.

Determination of [Sn²⁺] in algae solutions under UV-lamp.

Toothpaste sample	Conc. of CNP (µM)	Amount of toothpaste sample taken (µL)	Conc. of Sn2+ (µM)	Average conc. of Sn2+ (µM)
T1	1	100	0.73	0.73
		100	0.74
		100	0.72
T2	1	100	0.69	0.70
		100	0.70
		100	0.71
T3	1	100	0.63	0.64
		100	0.65
		100	0.64