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" Bias — a systematic error inherent in a method or caused by some artifact or idiosyncrasy of the measurement system. Temperature effects and extraction inefficiencies are examples of errors inherent in the method. Blanks, contamination, mechanical losses... "
Forensic Science: An Illustrated Dictionary - 33. lappuse
autors: John C. Brenner - 2003 - 296 lapas
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Quality Assurance of Chemical Measurements

John K. Taylor - 1987 - 352 lapas
...unknown to the analyst. A blind sample is one way to test proficiency of a measurement process. Bias— A systematic error inherent in a method or caused...effects and extraction inefficiencies are examples of this first kind of bias. Blanks, contamination, mechanical losses and calibration errors are examples...
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Quality Control Advisor and GC Advisor

Lawrence H. Keith - 1991 - 20 lapas
...sample, all performed on different days, under identical conditions. See also within-day precision. Bias: systematic error inherent in a method or caused by some artifact or problem of the measurement system. Important sources of bias include: interferences, unrepresentative...
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Enzyme Immunoassays: From Concept to Product Development

S.S. Deshpande - 1996 - 464 lapas
..."bias." Bias is a measure of the difference between the measured and the true value. It often represents a systematic error inherent in a method, or caused by some artifact of the measurement system. Thus, an accurate method is one capable of providing precise and unbiased...
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Standard Reference Materials: Handbook for SRM Users

John K. Taylor - 1997 - 102 lapas
...responsible for an identifiable change in precision or accuracy of a measurement process. Bias — a systematic error inherent in a method or caused...errors are examples of artifact errors. Bias can be both positive and negative and several kinds of error can exist concurrently. Therefore, net bias is...
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Postmortem Toxicology of Abused Drugs

Steven B. Karch, MD, FFFLM - 2007 - 216 lapas
...absorbing substance is directly proportional to the concentration of the absorbing substance. Bias A systematic error inherent in a method or caused...Therefore, net bias is all that can be evaluated. Blank (1) The measured value obtained when a specified component of a sample is not present during...
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Chemistry for Engineers

Teh Fu Yen - 2008 - 558 lapas
...measurement or the average of a number of measurements to the true value. Another term used is bias, which is a systematic error inherent in a method or caused...some artifact or idiosyncrasy of the measurement. Temperature effects are the examples of the first kind. Blanks, mechanical losses, and calibration...
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Vibhuti N. Mishra

2003 - 324 lapas
...frequently used in modern analytical techniques. a. Bias - a systematic error inherent in a method of the measurement system. Temperature effects and...contamination, mechanical losses and calibration errors b. Matrix interference - a general term used to describe the effect of the matrix (assemblage of concomitant...
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