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More than Analyses, Advices.Plus que des analyses, des conseils.

Popularization

Food fraud: Common or not? – The importance of quality control in the industry

9 January 2015

Laurie Caron – Popularization   In recent months, a particular topic emerged in the media: food fraud. But what is it? By definition, there is food fraud when food is marketed with intentionally mislead the consumer1. An example of a rather eloquent fraud, nicknamed “Horsegate“, took place in 2013 in Europe. Frozen meals from the

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Popularization

Draw Me a Terpene

9 November 2014

Alexis St-Gelais – Popularization One of the strangest aspects of the life of a chemist is to constantly be working with something we can (almost) never see as a unit: a molecule. In fact, a considerable part of our job is to draw conclusions from data obtained indirectly in order to deduce the structure of

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Popularization

The importance of plant identification – Part 3

31 October 2014

Hubert Marceau – Popularization Figure 1: S. lycopersicum (Source) Have you ever heard of Tomtatoes? It is tomato plant, Solanum lycopersicum (Figure 1), graft on a potato plant, Solanum tuberosum. This gives a plant that bear edible roots (tubers to be more precise) and fruits. Why not them start using all the rest and make a salad

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Popularization

The importance of plant identification – Part 1

20 October 2014

Hubert Marceau – Popularization Figure 1: C. sativa (source) October 1st 2014 will surely be a memorable day for a retired man from Georgia, USA. To his suprise, a heavily armed police force assisted by a K9 unit and a helicopter dropped in his garden. The local police department were suspecting the presence of Cannabis sp. (Figure

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Popularization

GC Analysis – Part VI. Applied Example of Analysis with Retention Indices

8 September 2014

Alexis St-Gelais – Popularization I wrote some time ago about retention indices in GC-FID and the advantages of using two columns to analyze an essential oil. Since this is a central aspect of the work we do using GC, I wished to detail a real-case analysis, allowing you to understand more clearly our methodology. Throughout

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Popularization

GC Analysis – Part V. FID or MS for Essential Oils?

2 September 2014

Alexis St-Gelais – Popularization [Minor addenda to the original text were made on March 23, 2019, and are noted in green] An important task of analytical chemistry is to select the detector that best suits the purpose of an analysis. Each detector has indeed its pros and cons. In the area of essential oils, FID and

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