Non-linear multivariate curve resolution applied to the spectrophotometric determination of cerium(iii) in aqueous nitric acid solutions for process control

2016 ◽  
Vol 8 (2) ◽  
pp. 435-444 ◽  
Author(s):  
Oxana Ye. Rodionova ◽  
Alexey L. Pomerantsev
Keyword(s):  
Rare Earth ◽  
Nitric Acid ◽  
Rare Earth Elements ◽  
Multivariate Curve Resolution ◽  
Acid Solutions ◽  
Curve Resolution ◽  
Nitric Acid Solutions ◽  
Non Linear ◽  
Aqueous Nitric Acid

It is shown that the recently proposed Non-Linear Multivariate Curve Resolution (NL-MCR) method can be effectively employed to develop an accurate calibration of cerium(iii) using spectrophotometry measurements of mixtures of rare earth elements in nitric acid.

Extraction of rare-earth elements from nitric acid solutions with bis(dioctylphosphinylmethyl)phosphinic acid

2006 ◽  
Vol 48 (1) ◽  
pp. 47-52
Author(s):  
A. N. Turanov ◽  
V. K. Karandashev ◽  
A. N. Yarkevich ◽  
Z. V. Safronova
Keyword(s):  
Rare Earth ◽  
Nitric Acid ◽  
Rare Earth Elements ◽  
Phosphinic Acid ◽  
Acid Solutions ◽  
Nitric Acid Solutions

Extraction of rare-earth elements from nitric acid solutions with polyalkylphosphonitrilic acid

2007 ◽  
Vol 49 (3) ◽  
pp. 264-267 ◽  
Author(s):  
A. N. Turanov ◽  
V. K. Karandashev ◽  
N. I. Rodygina ◽  
A. M. Fedoseev
Keyword(s):  
Rare Earth ◽  
Nitric Acid ◽  
Rare Earth Elements ◽  
Acid Solutions ◽  
Nitric Acid Solutions
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