引用本文:
Quan HAN, Hong Tao YAN, Zhen Jie QIAN. Determination of Utratrace Silver Using Surfactant As Sensitizer by Catalytic Near Field Laser Thermal Lens Spectrometry[J]. Chinese Chemical Letters,
2002, 13(12): 1195-1198.
Citation: Quan HAN, Hong Tao YAN, Zhen Jie QIAN. Determination of Utratrace Silver Using Surfactant As Sensitizer by Catalytic Near Field Laser Thermal Lens Spectrometry[J]. Chinese Chemical Letters, 2002, 13(12): 1195-1198.
Citation: Quan HAN, Hong Tao YAN, Zhen Jie QIAN. Determination of Utratrace Silver Using Surfactant As Sensitizer by Catalytic Near Field Laser Thermal Lens Spectrometry[J]. Chinese Chemical Letters, 2002, 13(12): 1195-1198.
Determination of Utratrace Silver Using Surfactant As Sensitizer by Catalytic Near Field Laser Thermal Lens Spectrometry
摘要:
A new method for the determination of utratrace silver(I) by near field thermal lens spectrometry has been developed. This method is based on the silver(I) catalyzed discoloring reaction of bromocresol green oxidized by sodium persulphate in the presence of α, α'-bipy as activator and Triton X-100 as sensitizer. The linear range of this method is 0~1.6 ng·mL-1 of silver. The detection limit is 2×10-2 ng·mL-1. The method has been applied to the determination of silver in lead power and photographic paper with satisfactory results.
English
Determination of Utratrace Silver Using Surfactant As Sensitizer by Catalytic Near Field Laser Thermal Lens Spectrometry
Abstract:
A new method for the determination of utratrace silver(I) by near field thermal lens spectrometry has been developed. This method is based on the silver(I) catalyzed discoloring reaction of bromocresol green oxidized by sodium persulphate in the presence of α, α'-bipy as activator and Triton X-100 as sensitizer. The linear range of this method is 0~1.6 ng·mL-1 of silver. The detection limit is 2×10-2 ng·mL-1. The method has been applied to the determination of silver in lead power and photographic paper with satisfactory results.
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