Improvement approaches for the determination of Cr(VI), Cd(II), Pd(II) and Pt(IV) contained in aqueous samples by conventional XRF instrumentation

2009 ◽  
Vol 38 (1) ◽  
pp. 9-17 ◽  
Author(s):  
Clàudia Fontàs ◽  
Eva Marguí ◽  
Manuela Hidalgo ◽  
Ignasi Queralt
Keyword(s):  
Aqueous Samples

Novel palladium(II) selective membrane electrode based on 4-[(5-mercapto-1,3,4-thiadiazol-2-ylimino)methyl]benzene-1,3-diol

2010 ◽  
Vol 75 (5) ◽  
pp. 563-575 ◽  
Author(s):  
Moslem Mohammadi ◽  
Mehdi Khodadadian ◽  
Mohammad K. Rofouei
Keyword(s):  
Limit Of Detection ◽  
Membrane Electrode ◽  
Aqueous Samples ◽  
Selective Determination ◽  
Poly Vinyl Chloride ◽  
Selective Membrane ◽  
Ph Range ◽  
Palladium Content ◽  
Methyl Benzene

A plasticized poly(vinyl chloride) membrane electrode based on 4-[(5-mercapto-1,3,4-thiadiazol-2-ylimino)methyl]benzene-1,3-diol (L) for highly selective determination of palladium(II) (in PdCl42– form) is developed. The electrode showed a good Nernstian response (29.6 ± 0.4 mV per decade) over a wide concentration range (3.1 × 10–7 to 1.0 × 10–2 mol l–1). The limit of detection was 1.5 × 10–7 mol l–1. The electrode has a response time of about 20 s, and it can be used for at least 2 months without observing any considerable deviation from Nernstian response. The proposed electrode could be used in the pH range of 2.5–5.5. The practical utility of the electrode has been demonstrated by its use for the estimation of palladium content in aqueous samples.

Determination of Phenoxy Acid Herbicides From Aqueous Samples by Improved Clean-up on Polymeric Pre-columns at High pH

The Analyst ◽  
1997 ◽  
Vol 122 (9) ◽  
pp. 889-894 ◽  
Author(s):  
René B. Geerdink ◽  
Sylvia van Tol-Wildenburg ◽  
Wilfried M. A. Niessen ◽  
Udo A. Th. Brinkman
Keyword(s):  
Aqueous Samples ◽  
High Ph ◽  
Phenoxy Acid Herbicides ◽  
Acid Herbicides

An optimised and robust method for the determination of uranium and plutonium in aqueous samples

1999 ◽  
Vol 50 (3) ◽  
pp. 579-583 ◽  
Author(s):  
Phillip E Warwick ◽  
Ian W Croudace ◽  
Alison A Dale
Keyword(s):  
Robust Method ◽  
Aqueous Samples

Determination of arsenic in aqueous samples with solvent extraction of ion associates

1995 ◽  
Vol 32 (9) ◽  
pp. 369 ◽  
Author(s):  
Tarasankar Pal ◽  
Nikhil R. Jana ◽  
Tapankumar Sau
Keyword(s):  
Solvent Extraction ◽  
Aqueous Samples

Determination of total mercury concentration in aqueous samples with gold nanoparticles

2014 ◽  
Vol 6 (4) ◽  
pp. 1254 ◽  
Author(s):  
J. S. Crosby ◽  
J. Z. James ◽  
D. Lucas ◽  
C. P. Koshland
Keyword(s):  
Gold Nanoparticles ◽  
Mercury Concentration ◽  
Total Mercury ◽  
Aqueous Samples ◽  
Total Mercury Concentration
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