Overview of the approaches for estimating measurement uncertainty

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Klipi teostus: UTTV 13.08.2013 48007 vaatamist Keemia ja materjaliteadus


Measurement uncertainty by the modelling approach: Determination of NH4+ in water 
Ivo Leito

Seotud videod

Uncertainty by modelling approach - Introduction,
Step 1 - measurand definition 
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Uncertainty by modelling approach,
Step 2 - Measurement model
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Uncertainty by modelling approach,
Step 3 - Uncertainty sources: in general 
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Uncertainty by modelling approach,
Step 3 - Uncertainty sources: one by one 
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Uncertainty by modelling approach,
Step 4 - Finding values of input quantities 
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Uncertainty by modelling approach,
Step 5 - Standard uncertainties of input quantities 
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Uncertainty by modelling approach,
Step 6 - Calculating the value of the output quantity 
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Uncertainty by modelling approach,
Step 7 - Calculating the combined standard uncertainty 
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Uncertainty by modelling approach,
Step 8 - Finding the expanded uncertainty 
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Uncertainty by modelling approach,
Step 9 - Analysis of the uncertainty sources 
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Uncertainty by modelling approach,
Conclusion 1
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Uncertainty by modelling approach,
Conclusion 2
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Other distribution functions: the Student distribution
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Course introduction
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Why is measument uncertainty important?
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Principles of measurement uncertainty estimation: 4. Treatment of random and systematic effects
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How a within-day systematic effect can become a long-term random effect?
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Numerical caluclation of uncertainty components using the Kragten method
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Precision, trueness, accuracy: interrelations between these concepts
12.09.13
Quantifying the temperature effect in volumetric measurement
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Finding combined standard uncertainty in simple cases
12.09.13
Introduction to uncertainty estmation based on validation and quality control data
19.09.13
Estimating the bias component of uncertainty
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The main equation of the Nordtest approach
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Overview of the practical implementation of the Nordtest approach
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Estimating the within-lab reproducibility component of uncertainty
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Roadmap of uncertainty estimation using the Nodrtest approach
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Example of uncertainty estimation using the Nordtest approach
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Finding the effective number of degrees of freedom
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Comparison of measurement uncertainty estimation approaches
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Uncertainty by modelling approach,
Conclusion 3
30.09.13
Using zeta scores to compare two measurement results
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Single-lab validation approach in practice:
Determination of acrylamide in crisp bread
07.10.13
Measurement uncertainty when pipetting with an automatic pipette
07.10.13
A and B Type uncertainty estimates
07.10.13
Pooled standard deviation
16.10.13
Pooled standard deviation in practice: estimating repeatability
16.10.13
Pooled standard deviation in practice: estimating within-lab long-term reproducibility
16.10.13