Citation: Jin Zhang GAO, Qi Liang DENG, Wu YANG, Jing Guo HOU, Bac Wei ZHAO, Jing Wan KANG. Spectrofluorimetric Determination of Trace Terbium(Ⅲ) Using 2,6-Bis-(1'-phenyl-3'-methyl-5'-oxopyrazole-4') Pyridinediacyl and N-Cetylpyridium Bromide[J]. Chinese Chemical Letters, ;2000, 11(5): 431-434. shu

Spectrofluorimetric Determination of Trace Terbium(Ⅲ) Using 2,6-Bis-(1'-phenyl-3'-methyl-5'-oxopyrazole-4') Pyridinediacyl and N-Cetylpyridium Bromide

Department of Chemistry, Northwest Normal University, Lanzhou 730070

Received Date: 1 December 1999

A new spectrofluorimetric method for determination of trace terbium based on its reaction with 2,6-bis-(1'-phenyl-3'-methyl-5'-oxopyrazole-4') pyridinediacyl (H₂PMBPP) and N-cetylpyridium bromide (CPB), at an apparent pH=5.0 provided by a hexamethylenetetramine (5% w/w)-hydrochloric acid buffer, is proposed. The calibration graph is linear in the range from 1.43×10^-5 to 0.1589 μg/ml.
- Spectrofluorimetric,
- terbium determination,
- fluorimetry,
- 2,6-bis-(1'-phenyl-3'-methyl-5'-oxopyrazole-4') pyridinediacyl
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