AN INDEPENDENT ACCURATE REFERENCE METHOD FOR THE DETERMINATION OF CHROMIUM IN BIOLOGICAL-MATERIALS

Authors
LAGERWAARD A WOITTIEZ JRW DEGOEIJ JJM
Citation
A. Lagerwaard et al., AN INDEPENDENT ACCURATE REFERENCE METHOD FOR THE DETERMINATION OF CHROMIUM IN BIOLOGICAL-MATERIALS, Fresenius' journal of analytical chemistry, 351(8), 1995, pp. 786-789
Citations number
10
Categorie Soggetti
Chemistry Analytical
Journal title
Fresenius' journal of analytical chemistry → ACNP
ISSN journal
09370633
Volume
351
Issue
8
Year of publication
1995
Pages
786 - 789
Database
ISI
SICI code
0937-0633(1995)351:8<786:AIARMF>2.0.ZU;2-F
Abstract
A method for the determination of Cr in biological materials with high accuracy is reported for use as an independent reference method. It i s based on radiochemical neutron activation analysis (RNAA) in combina tion with an individual yield determination based on the online yield principle. A precision of better than 4% between replicate determinati ons was achieved by application to biological materials with Cr conten ts on the 100 mu g . kg(-1) level. Analytical characteristics of the m ethod offer good perspectives for Cr assays at lower levels.