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Subject:
Re: HPLC vs LC-IRMS
From:
Bill Hurd <[log in to unmask]>
Reply To:
Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:
Wed, 22 Apr 2020 10:23:45 -0400
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Thank you Felipe.  That is exactly the explanation I was searching for.  
Each blind man reporting that part of the elephant they are touching.  I 
have also just found a poster from a German company which explains a lot 
about the use of LC-IRMS for the detection of adulterated honey. See an 
excellent poster at the link below

Detection of honey adulteration with 13C isotope 
<https://www.tentamus.com/qsi-de/wp-content/uploads/sites/11/2018/01/27_Poster-AOAC-2008-LC-IRMS.pdf>


On 4/22/2020 6:41 AM, Felipe Augusto Dörr wrote:
> LC-IRMS reports isotope ratios and not % of each sugar. Look at the
> unit: delta 13C per mille (d13C%0)



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