Clinical Chemistry Link to Randox Laboratories Web Site
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
QUICK SEARCH:   [advanced]


     

Clinical Chemistry 11: 521-526, 1965;
This Article
Right arrow Full Text (PDF)
Right arrow Submit an electronic Letter to
the Editor about this paper
Right arrow Alert me when this article is cited
Right arrow Alert me when eLetters are posted
Right arrow Alert me if a correction is posted
Services
Right arrow Email this article to a friend
Right arrow Similar articles in this journal
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Catledge, G.
Right arrow Articles by Biggs, H. G.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Catledge, G.
Right arrow Articles by Biggs, H. G.

Clinical Chemistry, Vol 11, 521-526, Copyright © 1965 by the American Association for Clinical Chemistry

A New Indicator for the Chelometric Measurement of Calcium in Serum and Urine

Gloria Catledge 1 and Homer G. Biggs 1

1 Section of Clinical Chemistry, Department of Pathology, University Hospital and Hillman Clinic, Birmingham, Ala. 35233.

Hydroxy Naphthol Blue as a metallochromic indicator in the chelometric measurement of calcium with EDTA provides a very distinct color change at the end-point in the titration of aqueous solutions, serum, and urine samples. Iron, magnesium, copper, phosphate, and bilirubin in concentrations normally encountered in serum and urine did not interfere with the reaction of the indicator. The results obtained with this indicator were not statistically different from those of serum samples analyzed by flame photometry or urine samples analyzed chelometrically with Cal-Red as the indicator.

Submitted on September 28, 1964
Accepted on January 8, 1965






HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
Copyright © 1965 by the American Association for Clinical Chemistry.