DETERMINATION OF NANOGRAM AMOUNTS OF CHROMIUM IN URINE BY X-RAY FLUORESCENCE SPECTROSCOPY

被引：21

作者：

BEYERMANN, K

ROSE, HJ

CHRISTIAN, RP

机构：

[1] University of Maryland, College Park, Md

[2] U.S. Geological Survey, Washington, D.C

来源：

ANALYTICA CHIMICA ACTA | 1969年 / 45卷 / 01期

关键词：

D O I：

10.1016/S0003-2670(00)89385-X

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Nanogram amounts of chromium can be extracted as oxinate into chloform. By treatment of the chloroform layer 3 M hydrochloric acid, oxinates of other elements and excess of reagent are removed, leaving a chloroform solution of the chromium chelate only. This solution is concentrated and transferred to the top of a small brass rod acting as sample holder. The intensity of the X-ray fluorescence of the Cr Kα line is measured with curved crystal optics. Chromium amounts greater than 5 ng can be detected. The application of the procedure to the analysis of the chromium content of urine is demonstrated. © 1969.

引用

页码：51 / +

页数：1

共 11 条

[1] BEYERMANN K, 1967, Z ANAL CHEM FRESENIU, V226, P16
[2] DAS ANALYTISCHE VERHALTEN KLEINSTER CHROMMENGEN .2.
BEYERMANN, K
[J]. FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1962, 191 (05): : 346 - 369
[3] DAS ANALYTISCHE VERHALTEN KLEINSTER CHROMMENGEN .1.
BEYERMANN, K
[J]. FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1962, 190 (01): : 4 - 33
[4] ULTRATRACE ANALYSIS OF METALS WITH CURVED CRYSTAL X-RAY MILLIPROBE
LUKE, CL
[J]. ANALYTICAL CHEMISTRY, 1964, 36 (02) : 318 - &
[5] MERTZ W, 1967, FED PROC, V26, P186
[6] ROSE H, IN PRESS
[7] SYSTEMATIC STUDY OF SOLVENT EXTRACTION OF METAL OXINATES
STARY, J
[J]. ANALYTICA CHIMICA ACTA, 1963, 28 (02) : 132 - &
[8] Stary J., 1964, SOLVENT EXTRACTION M, V1st
[9] 8-HYDROXYQUINOLINE AND 8-HYDROXYQUINALDINE AS REAGENTS FOR THE COLORIMETRIC ESTIMATION OF CHROMIUM
TANDON, JP
MEHROTRA, RC
[J]. FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1960, 176 (02): : 87 - 90
[10] UMLAND F, 1958, ANGEW CHEM INT EDIT, V70, P403

← 1 2 →