Use of yttrium phosphate as a coprecipitant for separation/concentration of lanthanoids.
A useful method to separate/concentrate lanthanoids was developed based on a rapid coprecipitation technique using yttrium phosphate. Lanthanoids, which were quantitatively coprecipitated at pH 3 with yttrium phosphate, could be readily determined by inductively coupled plasma atomic emission spectrometry with indium used as an internal standard element. The detection limits ranged from 0.0003 microg (Yb, Lu) to 0.0099 microg (Er) in 100 mL of sample solutions. The proposed method was applicable to the separation/concentration of lanthanoids in NIST SRM 1515 (apple leaves).
Kagaya
Shigehiro
S
Graduate School of Science and Engineering for Research, University of Toyama, Toyama 930-8555, Japan. kagaya@eng.u-toyama.ac.jp
Araki
Yasuko
Y
Kakehashi
Kayoko
K
Hirai
Noriyasu
N
Sakai
Kaori
K
Tohda
Koji
K
D002138:Calibration; D011232:Chemical Precipitation; D028581:Lanthanoid Series Elements / Q000032:analysis / Q000737:chemistry* / Q000302:isolation & purification*; D010710:Phosphates / Q000737:chemistry*; D012015:Reference Standards; D012680:Sensitivity and Specificity; D013997:Time Factors; D015019:Yttrium / Q000737:chemistry*
D028581:Lanthanoid Series Elements; D010710:Phosphates; D015019:Yttrium