Radiochemical neutron activation analysis of trace impurities in high purity aluminum

1999 ◽  
Vol 241 (1) ◽  
pp. 123-127 ◽  
Author(s):  
J. H. Zaidi ◽  
M. Arif ◽  
I. Fatima ◽  
S. Ahmed ◽  
I. H. Qureshi
Keyword(s):  
Neutron Activation Analysis ◽  
Activation Analysis ◽  
Neutron Activation ◽  
High Purity ◽  
Radiochemical Neutron Activation Analysis ◽  
Trace Impurities ◽  
High Purity Aluminum

Radiochemical neutron activation analysis of trace impurities in high purity titanium and tungsten

2002 ◽  
Vol 90 (12) ◽  
Author(s):  
Jamshed H. Zaidi ◽  
I. Fatima ◽  
M. Arif
Keyword(s):  
Neutron Activation Analysis ◽  
Activation Analysis ◽  
Neutron Activation ◽  
High Purity ◽  
Chemical Separation ◽  
Radiochemical Neutron Activation Analysis ◽  
Trace Impurities ◽  
Anion Exchange Column ◽  
Purity Titanium ◽  
And Tungsten

SummaryRapid radiochemical neutron activation analysis (RNAA) procedures were developed and employed to the determination of 36 trace impurities in high purity titanium and tungsten. Anion–exchange column chromatography procedures were developed for the sequential group chemical separation of various elements, which helped in reducing the spectral interferences and improving the sensitivity of the method. The procedure is simple and requires a very short time to separate the elements in three groups for radiometric assay. To determine very low contents of uranium and thorium,

Determination of trace impurities in iron-based alloy using neutron activation analysis

2000 ◽  
Vol 88 (3-4) ◽  
Author(s):  
Jamshed H. Zaidi ◽  
S. Waheed ◽  
Shujaat Ahmad
Keyword(s):  
Neutron Activation Analysis ◽  
Activation Analysis ◽  
Neutron Activation ◽  
Chemical Equipment ◽  
Radiochemical Neutron Activation Analysis ◽  
Aircraft Engines ◽  
Trace Impurities ◽  
Iron Based ◽  
Nuclear Applications

A radiochemical neutron activation analysis procedure has been developed and applied to investigate 40 major, minor, and trace impurities in iron-based alloy. A comparison of RNAA and INAA indicated a significant improvement in the detection limits. The extensive use of these alloys in the heavy mechanical industry, manufacturing of aircraft engines, nuclear applications, medical devices and chemical equipment requires their precise characterization. The concentration of iron in the iron-based alloy was found to be 86.7%, whereas Ca, Cr, K, Mg, Mn, V and W were the other constituents of the alloy, which constituted to around 12.89%. The rest of the elements were present in minor or trace levels. Most of the rare earth elements were also present in trace amounts.

scholarly journals Determination of molybdenum in high-purity iron by radiochemical neutron activation analysis.

1999 ◽  
Vol 48 (4) ◽  
pp. 421-427 ◽  
Author(s):  
Naoki YAMAGUCHI ◽  
Yukiko OKADA ◽  
Shogo SUZUKI ◽  
Shoji HIRAI ◽  
Toshiaki MITSUGASHIRA
Keyword(s):  
Neutron Activation Analysis ◽  
Activation Analysis ◽  
Neutron Activation ◽  
High Purity ◽  
Radiochemical Neutron Activation Analysis ◽  
Purity Iron ◽  
High Purity Iron
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