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Analytical Uncertainty

Started by Franco, Nov 29 2004 02:56 PM
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11 replies to this topic

Poll: Which method do you use, if any ? (8 member(s) have cast votes)

Which method do you use, if any ?

  1. Never heard of analytical uncertainty (1 votes [12.50%])

    Percentage of vote: 12.50%

  2. Heard of analytical uncertainty, think is useless (0 votes [0.00%])

    Percentage of vote: 0.00%

  3. Run sufficient replicates of the test (5 votes [62.50%])

    Percentage of vote: 62.50%

  4. Bottom up (EURACHEM) approach (0 votes [0.00%])

    Percentage of vote: 0.00%

  5. Harmonized IUPAC/AOAC or ISO 5725 protocol (1 votes [12.50%])

    Percentage of vote: 12.50%

  6. Horwitz formula or suitably adjusted version (1 votes [12.50%])

    Percentage of vote: 12.50%

  7. Don't want to hear of all that statistic stuff (0 votes [0.00%])

    Percentage of vote: 0.00%

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Franco

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Posted 29 November 2004 - 02:56 PM

Hi folks,

let's start a new poll on analytical uncertainty :uhm:


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An ancient Chinese proverb teaches that the person who waits for a roast duck to fly into their mouth must wait a very long time.

Wallace Tait

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Posted 02 December 2004 - 12:24 PM

Hi folks,

let's start a new poll on analytical uncertainty :uhm:

<{POST_SNAPBACK}>


Wouldn't a DOE (Design of experiment) do the job?
Wallace.

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Franco

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Posted 03 December 2004 - 07:29 AM

Wouldn't a DOE (Design of experiment) do the job?


Maybe, if I knew what DOE really means :crybaby:

Can you help me once more, Wallace ? :santa:

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An ancient Chinese proverb teaches that the person who waits for a roast duck to fly into their mouth must wait a very long time.

Wallace Tait

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Posted 03 December 2004 - 09:11 PM

Wouldn't a DOE (Design of experiment) do the job?


Maybe, if I knew what DOE really means :crybaby:

Can you help me once more, Wallace ? :santa:

<{POST_SNAPBACK}>



No problem Franco,
At the most basic level, a DOE (Designed experiment) allows you to statistically analyze the possibilities regarding good/bad, right/wrong, acceptable/not, etc.
Rather than looking at the whole process, you can in fact take a sample and predict with very good certainty, the probability of success or failure of a studied process, service or manufactured item.
Hope this helps. A DOE can and does become rather complex at times and, I would be doing you a great diservice if I was to be long winded regarding DOE.
Wallace.
Send me a PM at mw.tait@sympatico.ca and, I'll send you a great little software package that may help you to get a handle on analytical probability analyses.

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Franco

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Posted 06 December 2004 - 01:33 PM

Send me a PM at mw.tait@sympatico.ca and, I'll send you a great little software package that may help you to get a handle on analytical probability analyses.


Done, thanks a lot Wallace.
BTW you can download EURACHEM guideline on analytical uncertainty from
EURACHEM.
I started to read it but it was too boring, much more than ISO 9001:2000 :lol2:, so I gave up and tried other alternatives (see the poll) :whistle:

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An ancient Chinese proverb teaches that the person who waits for a roast duck to fly into their mouth must wait a very long time.

Simon

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Posted 06 December 2004 - 08:09 PM

I started to read it but it was too boring, much more than ISO 9001:2000 :lol2:, so I gave up and tried other alternatives (see the poll) :whistle:

<{POST_SNAPBACK}>

What did you expect Franco intriguing short stories? :lol2:

Regards,
Simon :santa:

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Franco

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Posted 01 April 2005 - 09:15 AM

What did you expect Franco intriguing short stories?  :lol2:


Hi Simon and Saferpakers,

here you will find some hints to get around the boring stuff :tired: . It's been updated on March 1st.

EU report on analytical uncertainty and food contaminants.

Rgds. Franco

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Simon

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Posted 05 April 2005 - 09:46 AM

:tired: Sorry Franco I'm just too tired to click the link. :lol2:

Regards,
Simon

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Franco

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Posted 19 April 2005 - 11:40 AM

:tired: Sorry Franco I'm just too tired to click the link. :lol2:


Hi Simon,

you could try this Measurement Uncertainty leaflet

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An ancient Chinese proverb teaches that the person who waits for a roast duck to fly into their mouth must wait a very long time.

Simon

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Posted 21 April 2005 - 07:20 PM

You could try this Measurement Uncertainty leaflet

<{POST_SNAPBACK}>

Franco what a refreshing change! Big pictures, ga ga text, exactly my level. :bye:

Thanks,
Simon

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Franco

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Posted 22 April 2005 - 06:42 AM

Franco what a refreshing change! Big pictures, ga ga text, exactly my level. :bye:


As a matter of fact this is exactly my level too mate :oops: , but I would like to point out that it is Executive level too and the leaflet may help understanding the quality of analytical results :clap:

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An ancient Chinese proverb teaches that the person who waits for a roast duck to fly into their mouth must wait a very long time.

Simon

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Posted 22 April 2005 - 08:26 AM

Thanks Franco, I now know what AU is.

Regards,
Simon


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