Horwitz, William

Bauer, C, F., 194 Brossman, Martin 317 Crummett, Warren B 288 Currie, Lloyd A., 1,171 Epstein, Michael S, 109 Grant, C. 194 Hallowell, S. F, 224 Hanneman, W. William, 288 Hare, P. E, 275 Harrington, C. L., 244 Horwitz, William, 288 Johnson, James E 266 Johnson, Janet A., 266 Kahn, Henry, 317 King, Donald, 317 Kirchmer, Cliff J., 78 Kleopfer, Robert, 317 Koch, William F., 210 Kurtz, David A 288... 

Analytical Chemist., published by OAAC, Washington DC 20th Ed., William Horwitz (editor) 11th ed. (1970) p. 685. 

The late William Horwitz, who is the leading exponent of top down measurement uncertainty, offers the following four approaches to estimate measurement uncertainty (Horwitz 2003) ... 

Included is a graph (Figure 5) from an article by William Horwitz which relates analytical precision to concentration. It shows that the analytical variability increases as the concentration decreases. The Horwitz data were generated fran collaborative studies where methodology was exactly defined. The data should be... 

Is interlaboratory variability significant Is it different than intralaboratory variability The answer on both accounts is yes. And it varies with concentration. William Horwitz and coUaborators documented interlaboratory variability over two decades by examining over, 10,000 interlaboratory data sets (see R. H. Albert, Chemical Engineering News, September 13, 1999, p 2)i T developed an expression relating.interlaboratory standard devia-tions of resultSi S, to concentratioii,. G. (expressed as decimal fraction, e.g.,... 

Thomas A. Blinka Neil G. Connelly Philip E. Garrou William E. Geiger Bradley J. Helmer Colin P. Horwitz Duward F. Shriver Robert West Nils Wiberg... 

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