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Netphilosopher
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Posted Wed May 29, 2013, 10:57am
Subject: .
 

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CMIN
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Posted Wed May 29, 2013, 12:18pm
Subject: Re: Comments on "Extraction" - It's just a guideline
 

It is interesting,  though I'm coming more from the espresso range where I feel there is def over extraction differences. I wouldn't want a 50-60 second burnt punch you in the mouth ubber bitter shot with no flavors lol, but maybe to someone else they would like that and think thats what a shot should taste like?

Makes me curious though to get an Aeropress and try the second infusion push.
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Netphilosopher
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Posted Thu May 30, 2013, 5:51am
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Sam21
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Posted Thu May 30, 2013, 7:50am
Subject: Re: Comments on "Extraction" - It's just a guideline
 

That's why extraction is a range and it depends on personal tastes and the coffee. Also, with sifting fines the range seems to widen even more.
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jpender
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jpender
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Posted Thu May 30, 2013, 8:35am
Subject: Re: Comments on "Extraction" - It's just a guideline
 

Netphilosopher Said:

Extraction yield or extraction percentage is always - without exception - a calculation based on two other measured variables, only one of which is directly measured.

Posted May 29, 2013 link

I don't understand this line. First of all, it isn't strictly true. But even if it were, so what? There is nothing inherently wrong with indirect measurement.
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Netphilosopher
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Posted Fri Jun 14, 2013, 6:28am
Subject: .
 

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Netphilosopher
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Posted Fri Jun 14, 2013, 6:37am
Subject: .
 

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jpender
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jpender
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Posted Fri Jun 14, 2013, 9:07am
Subject: Re: How do we calc extraction? let me count the ways...
 

Netphilosopher Said:

It is strictly true.  Extraction yield is obtained from two variables: brew coffee mass, and total dissolved solids mass.  There is no measurement device you input a sample by itself and it spits out "22.15% extraction", or even something that spits out "over-extracted", "optimally-extracted", or "under-extracted".

Posted June 14, 2013 link

I was responding to your assertion that at least one of the variables can only be measured indirectly. That is what isn't strictly true.
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Netphilosopher
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Posted Mon Jun 17, 2013, 5:22am
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jpender
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jpender
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Posted Mon Jun 17, 2013, 8:55am
Subject: Re: Comments on "Extraction" - It's just a guideline
 

Netphilosopher Said:

Extraction yield or extraction percentage is always - without exception - a calculation based on two other measured variables, only one of which is directly measured.

Posted May 29, 2013 link

You yourself have posted, on this very website, the details of directly measuring the two variables for calculating extraction.
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