Measurement Error in Analytical Instruments

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PERSONAL ERROR INCLUDE THE ABILITY TO SEE A CHANGE IN THE COLOR OF AN [BLANK] USED TO SIGNAL THE END POINT OF A TITRATION

INDICATOR

PERSONAL ERRORS CAN BE MINIMIZED WITH [BLANK]

PROPER CARE

WITHOUT KNOWING THE [BLANK] VALUE FOR AN ANALYSIS, THE USUAL SITUATION IN ANY ANALYSIS WITH MEANING, THERE IS NO ACCEPTED VALUE WITH WHICH THE EXPERIMENTAL RESULT CAN BE COMPARED

TRUE

A 25-ML VOLUMETRIC FLASK MIGHT HAVE A MAXIMUM ERROR OF ±[BLANK] ML

0.03 Signup and view all the answers

ANALYTICAL INSTRUMENTS AND EQUIPMENT, SUCH AS GLASSWARE AND [BLANK], ARE USUALLY SUPPLIED BY THE MANUFACTURER WITH A STATEMENT OF THE ITEM'S MAXIMUM MEASUREMENT ERROR, OR TOLERANCE

BALANCES Signup and view all the answers

DETERMINATE ERRORS CAN BE [BLANK] TO DETECT

DIFFICULT Signup and view all the answers

A ______ error is one whose value is the same for all samples.

constant determinate Signup and view all the answers

______ is the precision obtained when all measurements are made by the same analyst during a single period of laboratory work.

Repeatability Signup and view all the answers

An ______ error causes some measurements or results to be too high while others are too low.

intermediate Signup and view all the answers

Evaluating the sources and relative magnitudes of ______ error can minimize its effect, although it cannot be eliminated.

indeterminate Signup and view all the answers

Precision is a measure of the ______ of data about a central value.

spread Signup and view all the answers

Manipulating samples during the analysis is one potential source of ______ error.

indeterminate Signup and view all the answers

A ______ error is any systematic error that causes a measurement to be consistently too high or too low.

determinate Signup and view all the answers

______ errors are caused by limitations in the analytical method used to analyze a sample.

Method Signup and view all the answers

Typical ______ errors for analytical equipment include calibration issues, electronic noise, and environmental factors.

measurement Signup and view all the answers

______ errors can be introduced when collecting samples for analysis, especially from heterogeneous materials.

Sampling Signup and view all the answers

Careless handling or improper use of equipment can lead to ______ errors in measurements.

personal Signup and view all the answers

Faulty or outdated equipment can contribute to ______ errors due to equipment limitations.

measurement Signup and view all the answers

Measurement Error in Analytical Instruments

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Questions and Answers

PERSONAL ERROR INCLUDE THE ABILITY TO SEE A CHANGE IN THE COLOR OF AN [BLANK] USED TO SIGNAL THE END POINT OF A TITRATION

PERSONAL ERRORS CAN BE MINIMIZED WITH [BLANK]

WITHOUT KNOWING THE [BLANK] VALUE FOR AN ANALYSIS, THE USUAL SITUATION IN ANY ANALYSIS WITH MEANING, THERE IS NO ACCEPTED VALUE WITH WHICH THE EXPERIMENTAL RESULT CAN BE COMPARED

A 25-ML VOLUMETRIC FLASK MIGHT HAVE A MAXIMUM ERROR OF ±[BLANK] ML

ANALYTICAL INSTRUMENTS AND EQUIPMENT, SUCH AS GLASSWARE AND [BLANK], ARE USUALLY SUPPLIED BY THE MANUFACTURER WITH A STATEMENT OF THE ITEM'S MAXIMUM MEASUREMENT ERROR, OR TOLERANCE

DETERMINATE ERRORS CAN BE [BLANK] TO DETECT

A ______ error is one whose value is the same for all samples.

______ is the precision obtained when all measurements are made by the same analyst during a single period of laboratory work.

An ______ error causes some measurements or results to be too high while others are too low.

Evaluating the sources and relative magnitudes of ______ error can minimize its effect, although it cannot be eliminated.

Precision is a measure of the ______ of data about a central value.

Manipulating samples during the analysis is one potential source of ______ error.

A ______ error is any systematic error that causes a measurement to be consistently too high or too low.

______ errors are caused by limitations in the analytical method used to analyze a sample.

Typical ______ errors for analytical equipment include calibration issues, electronic noise, and environmental factors.

______ errors can be introduced when collecting samples for analysis, especially from heterogeneous materials.

Careless handling or improper use of equipment can lead to ______ errors in measurements.

Faulty or outdated equipment can contribute to ______ errors due to equipment limitations.

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