Title

A STUDY OF THE SENSITIVITY AND SPECIFICITY OF 4 PRESUMPTIVE TESTS FOR BLOOD

Authors

M COX

Document Type

Article

Publication Date

9-1-1991

Department

Criminal Justice

Abstract

The purpose of this work was to conduct a comparative study of the sensitivity and specificity of phenolphthalein, tetramethylbenzidine, leucomalachite green, and orthotolidine as presumptive tests for blood. The findings of this study indicate that the phenolphthalein and the leucomalachite green tests are the most specific and that the tetramethylbenzidine and orthotolidine tests are the most sensitive of the group. The author concludes that the phenolphthalein test is the best single test for evaluating suspected bloodstains.

Publication Title

JOURNAL OF FORENSIC SCIENCES

Volume

36

Issue

5

First Page

1503

Last Page

1511

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