Dispersive Liquid-Liquid Microextraction of Bismuth in Various Samples and Determination by Flame Atomic Absorption Spectrometry

Table 2

The determination of bismuth in water, cream, and hair dye samples ().

Sample	Added	Found	Recovery (%)
Dam water, Yozgat (µg L^−1)	—	—	—
	100	98 ± 3	98 ± 3
Waste water, Kayseri (µg L^−1)	—	—	—
	100	96 ± 2	96 ± 2
Hair dye, black (µg kg^−1)	—	64 ± 3	—
	50	115 ± 13	101 ± 4
Hair dye, brown (µg kg^−1)	—	83 ± 4	—
	50	127 ± 14	95 ± 5
Hemorrhoid cream (1) (for analgesic) (µg g^−1)	—	3.3 ± 0.1	—
	1.5	4.8 ± 0.2	100 ± 2
Hemorrhoid cream (2) (µg kg^−1)	—	104 ± 18	—
	100	202 ± 17	99 ± 3
Burn cream (µg kg^−1)	—	98 ± 12	—
	100	191 ± 13	96 ± 4

Average ± standard deviation.
Below the detection limit.