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Optical rotation: application to oils analysis
20 January 2022
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PhytoChemia’s ISO/IEC 17025 Accreditation – Update July 2021
22 September 2021
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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
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
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
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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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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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
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 :
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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