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

Popularization

Selina-4,7(11)-diene in Cannabis Terpenes, or How to Identify an Unknown Compound

1 September 2021

Alexis St-Gelais, chimiste – Popularization Today, we want to give you a glimpse of the process involved when we are able to identify compounds that we earlier reported as unknowns in our gas chromatographic profiles, applying it to the case of cannabis terpenes. How can a Compound Noted as Unknown in GC Profiles Finally be

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Activities and Events

Vetiver atipikal

22 February 2021

Benoit Roger, Ph. D. & Alexis St-Gelais, M. Sc., Chimis. Translation : Ria Mayriana   Vetiver(Vetiveria zizanioides, syn. Chrysopogon zizanioides) adalah salah satu minyak esensial yang paling sering kami terima untuk analisis. Ini juga salah satu minyak yang paling kompleks untuk dianalisis karena mengandung hampir hanya seskuiterpenoid di antaranya banyak senyawa yang tidak diketahui dengan pemisahan

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Activities and Events

On Vétivè pa kon sé lé zòt là

28 October 2020

Benoit Roger, Ph. D. & Alexis St-Gelais, M. Sc., Chimis. Tradiksyon é adaptasyon: Corine et Patrik Lormel.   Luil ésansiyèl a vétivè (Vetiveria zizanioides, syn. Chrysopogon zizanioides) sé on luil kè nou ka rousouvwè onlo, plis kè sé lézòt la. An plis dè sa sé pi rèd la kè nou ni pou analizé.  Déja pou

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Activities and Events

PhytoChemia’s ISO/IEC 17025 Accreditation Range of Scope

23 June 2020

The Standards Council of Canada delivered the ISO/IEC 17025:2017 accreditation  to PhytoChemia in May 2020 (website certificate here). You may not know what it is and what it means to you. In this document, we briefly discuss the subject and conclude with the list of accredited services.   What is ISO 17025? This is an

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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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