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

Popularization

Pre-Treatments for GC-FID / MS Analyzes – The Example of Hydrosols

30 April 2020

Hydrosol obtained with Explorer (an Alchemia Solution Still) Corine Lormel, PhD Samples often contain very different molecules. In analytical laboratories, finding the instrument which will identify and quantify them is the first step. For this purpose, the chemist must ensure that the chosen method can “separate” the compounds of interest but also makes them “visible”

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Popularization

Rosa, Rosam, Rosae

5 February 2020

Corine Lormel , PhD As suggested by the Latin declension of the title, this February we will look at a series of blog posts on the theme of roses. In this first post, we will start with a historical overview of the rose’s botany and a summary of the main methods to produce rose derivative

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Discoveries

Indian Patchouli : the analysis results

21 January 2020

In the past few days, we have distilled by Clevenger leaves of Pogostemon Heyneanus (Indian patchouli).  To give you a brief summary, here is the experiment in few figures:  Leaves mass : 318 g. We have used frozen leaves, and have grinded them with a mortar.   Distillation duration : 4 hours. Essential oil obtained :

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Activities and Events

The Chemistree History

6 January 2020

Corine Lormel, Ph.D. In the past month, several pictures of chemistry Christmas trees also named chemistrees probably blossomed in your news feeds. As some of us in the laboratory,  you assume this phenomenon is recent and the pioneers are very passionate about chemistry. Of course, a bunch of enthusiasts is necessary but those who have

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Popularization

The Mystery of the Unknown Compounds in Your Essential Oils Analysis Reports.

13 December 2019

Corine Lormel, Ph.D. Some customers are surprised to see a compound named ‘’Unknown’’ in the listing of their essential oils analysis reports. Why do chemists keep them in all reports? Are they just unidentified compounds? Why don’t chemists  try to identify them? In this paper, we will try to understand what is behind the famous

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Popularization

#Labwasteday & Waste Diversion Rate : What Does that Mean ?

27 November 2019

Corine Lormel, Ph.D. You probably don’t know these terms, but you will soon! Environmental concerns are not limited yet to the public domain! These last years, labs environmental impact, that went unnoticed, has been rising. Just two weeks ago, The Guardian (Bell, 2019) published an article focusing on the “addiction to plastic” in the labs

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Popularization

Underpressure: the impact of vacuum distillation on essential oil quality

21 October 2019

Benoit Roger (Ph. D.), Hubert Marceau (B. Sc., chemist), Alexis St-Gelais (M. Sc., chemist)   Have you ever tried cooking pasta atop a high mountain? OK, this is a weird introduction, but you’ll see the link. Everybody ‘’knows“ that (pure) water freezes at 0 °C and boils at 100 °C and in everyday life, this is a good

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Research notes

Underpressure: the Impact of Vacuum Distillation on Essential Oil Quality

Benoit Roger (Ph. D.), Hubert Marceau (B. Sc., chemist), Alexis St-Gelais (M. Sc., chemist)   Have you ever tried cooking pasta atop a high mountain? OK, this is a weird introduction, but you’ll see the link. Everybody ‘’knows’’ that (pure) water freezes at 0 °C and boils at 100 °C and in everyday life, this is

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Research notes

An Insight into Labrador Tea Chemotypes (Poster)

13 September 2019

Alexis St-Gelais (M. Sc., Chemist), Benoit Roger, Kim Desrosiers, Hubert Marceau This poster (awarded a Poster Prize) was presented to the scientific community during the 50th International Symposium on Essential Oils in Vienna, Austria, on September 9th-11th 2019. Click here to see the poster as a PDF. Thanks to Lavinia Alexandru for the photo. Entitled Chemometric

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Activities and Events

An Algorithm to Solve Them All (Almost)

7 June 2019

Alexis St-Gelais, M. Sc., Chemist – Activities and Events PhytoChemia has always been proud to provide the essential oils community with GC-FID results obtained from a dual-column system – just as it is done in academia. This powerful approach is able to solve most coelutions and reach a high level of detail in analyses in

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