The Determination of Impurities in Plutonium Metal by Anion Exchange and ICP/AES

1989 ◽  
Vol 43 (2) ◽  
pp. 223-226 ◽  
Author(s):  
Edmund A. Huff ◽  
Delbert L. Bowers
Keyword(s):  
Anion Exchange ◽  
Inductively Coupled Plasma ◽  
Atomic Emission ◽  
Emission Spectrometry ◽  
Plasma Atomic Emission Spectrometry ◽  
Inductively Coupled ◽  
Plutonium Metal ◽  
Anion Exchange Separation ◽  
Nuclear Counting

The determination of trace-metal impurities in plutonium metal was investigated with the use of anion exchange separation and analysis by inductively coupled plasma/atomic emission spectrometry. Data on recoveries and independent measurements for some 30 elements show precisions and accuracies in the 1–10% range, values that are a significant improvement over those of traditional carrier distillation techniques. Americium can be determined on the same sample aliquot, with figures of merit rivaling those of nuclear counting procedures.

Determination of Rhodium in Rhodium-Loaded Carbon Catalysts Using Microwave-Assisted Sample Digestion and ICP-OES

2014 ◽  
Vol 1033-1034 ◽  
pp. 53-56 ◽  
Author(s):  
Jun Yi Pan ◽  
Xiao Juan Wei
Keyword(s):  
Inductively Coupled Plasma ◽  
Atomic Emission ◽  
Emission Spectrometry ◽  
Plasma Atomic Emission Spectrometry ◽  
Sample Digestion ◽  
Inductively Coupled ◽  
Relative Standard ◽  
Novel Method ◽  
Carbon Catalysts

A novel method for the determination of rhodium in rhodium-loaded carbon catalyst samples was established by inductively coupled plasma atomic emission spectrometry after samples digested by microwave oven with aqua regia. Such experiment conditions were investigated as the influence of sample digestion methods, digestion time, digestion temperature and interfering ions on the determination. Under the optimized conditions, the limits of detection (LODs) of Rh for tested solutions were 9 ng mL-1. The relative standard deviations (RSDs) for Rh were 2.11 (CRh = 1 mg L-1, n = 7). The linear ranges of calibration graphs for Rh were 0 ~ 150.00 mg L-1. The proposed method was applied to determine the practical samples with good recoveries and satisfactory results.

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