Corrections

1975 ◽  
Vol 21 (6) ◽  
pp. 761-761
Keyword(s):  
Confidence Limits

Abstract p 593, Table 4, under A: the 95% confidence limits should read 88.7-98.4.

Molar Absorptivity Values for Aflatoxins and Justification for Their Use as Criteria of Purity of Analytical Standards

1970 ◽  
Vol 53 (1) ◽  
pp. 96-101 ◽  
Author(s):  
J V Rodricks ◽  
L Stoloff ◽  
W A Pons ◽  
J A Robertson ◽  
L A Goldblatt
Keyword(s):  
Thin Layer ◽  
Statistical Study ◽  
Molar Absorptivity ◽  
Confidence Limits ◽  
Components Of Variance ◽  
Significant Difference ◽  
Single Determination ◽  
Comparison Measurements ◽  
Analytical Standards

Abstract Measurements of molar absorptivities in methanol were carried out by two laboratories on samples of anatoxins Bi and Gi prepared and purified independently in four laboratories and on samples of aflatoxins B2 and G2 prepared and purified independently in three laboratories. Molar absorptivities of pure aflatoxins Bi, B2, G1, and G2 in benzene-acetonitrile (98 + 2) were determined at two laboratories. With the exception of aflatoxin G2, no significant difference between aflatoxin samples could be demonstrated. Molar absorptivity values and absorbance ratios for each aflatoxin, based on these data, are given. Statistical 95% confidence limits were established for a single determination of molar absorptivity. A statistical study was made of the components of variance which contribute to the accuracy of the determination of molar absorptivity. A comparison of the fluorescence intensities of spots of various aflatoxin preparations, developed on silica gel-coated thin layer plates, with the amount of aflatoxin in each spotting solution as determined by absorbance measurements, demonstrated the validity of using absorbance and fluorescence comparison measurements for aflatoxin quantitation.

scholarly journals Confidence Limits for Correlations

1987 ◽  
Vol 7 (6) ◽  
pp. 820-820
Author(s):  
William E. Semple ◽  
Robert M. Cohen
Keyword(s):  
Confidence Limits

Bayes Confidence Limits for Reliability of Redundant Systems

Technometrics ◽  
1975 ◽  
Vol 17 (1) ◽  
pp. 89-93 ◽  
Author(s):  
William E. Thompson ◽  
Eugene Y. Chang
Keyword(s):  
Confidence Limits ◽  
Redundant Systems

Improving the reliability of confidence limits for the mean of positive random variables

SIMULATION ◽  
1990 ◽  
Vol 55 (3) ◽  
pp. 175-177
Author(s):  
Do Le Minh ◽  
Y.S. Sherif
Keyword(s):  
Random Variables ◽  
Confidence Limits ◽  
The Mean
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