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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 19, Number 7
BKCSDE 19(7)
July 20, 1998

Title	Priconcentration of Cd by continuous Hydroxide Precipitation-Dissolution in Atomic Emission Spectrometry
Author	Pyung Heum Yeon, Girl Huh, Yong-Nam Pak
Keywords
Abstract	On-line preconcentration by direct precipitation with hydroxide has been developed and applied for the analysis of Cd in Inductively Coupled Plasma Atomic Emission Spectrometry. Cadmium is continuously precipitated with hydroxide and dissolved by nitric acid in on-line mode. Currently, the enrichment factor is more than 90 times for 20.0 mL of sample and could be further increased very easily. For a large sample throughput, 1.0 mL of sample loop is used and the enrichment factor is 4.5 with the sampling speed of 15/hr. The method has been applied to the analysis of NIST reference sample and has yielded good results with the certified value.
Page	766 - 770
Full Text	PDF

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