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JULY 2020 - VOLUME 45 ISSUE 5


State-of-the-art Technology in Compact Design


New Fritsch Laser Particle Sizers ANALYSETTE 22 NeXT


Unbeatably simple


and affordable NeXT generation in automatic particle size analysis


Discover the completely revised Laser Particle Sizers ANALYSETTE 22 NeXT from the German technology leader FRITSCH. The NeXT generation in particle measurement by laser diffraction offers numerous benefi ts:


• measurement of particle size distributions in production, quality control, research and development • 2 measuring ranges: 0.5 – 1500 µm or 0.01 – 3800 µm • easy operation, quick and residue-free cleaning • extremely fl exible programmable measuring process • robust and practical maintenance-free • measuring times usually less than 1 minute • automatic evaluation with clearly organised results


www.fritsch-international.com/a-22next


See product video: https://bit.ly/2ygzC06


Benefi t from two new models featuring different measuring ranges. Especially easy to operate and to clean, combining a powerful, practically maintenance-free dispersion unit with extremely fl exible programming of the measuring process and automatic evaluation. Get reliably reproducible results in usually less than 1 minute. And monitor and record additional parameters such as temperature or pH value during wet dispersion. Cleverly made!


In this Issue


Also available as an e-Journal at: labmate-online.com/ejournal/


Articles Mass Spectrometry & Spectroscopy


Tackling the Fraudsters: Using NMR to Detect Adulterated Honey Lea Heintz


Chromatography


Measurement of Pesticides in Cannabis sativa and Hemp Matrices Using a Gas Chromatograph-Triple Quadrupole Mass Spectrometer


Kirk R. Jensen*, A. John Dane, Robert B. Cody, and Koji Okuda Head Office - International Labmate Ltd


Oak Court, Sandridge Park, St AIbans, Hertfordshire AL3 6PH, United Kingdom. Tel: +44 (0)1727 855574 • Fax: +44 (0)1727 841694 Amend your subscription: subscribe@intlabmate.com Other enquiries: info@intlabmate.com • sales@intlabmate.com ISSN 0143-5140


Publishers of: International Labmate, Labmate UK & Ireland, Lab Asia, Chromatography Today, International Environmental Technology, Asian Environmental Technology, Pollution Solutions, Petro Industry News and Measurement Analysis China


Features Spotlight


Particle Characterisation Gwyneth Astles


Publisher Michael H. Pattison


Director of Publications Marcus Pattison


michael@intlabmate.com marcus@intlabmate.com


International Sales & Marketing Manager Chris Jarvis


North American Area Manager Carol Hardy


Director, Asia Pacific Marie Izzard


European Sales Manager John Hobbs-Morris


Online Manager Rob Parker


Guide Manager Sam Jackson


Guide Assistant Lisa Penn


Administrator Helen Wills


chris@intlabmate.com carol@intlabmate.com marie@intlabmate.com.au john@intlabmate.com rob@intlabmate.com sam@intlabmate.com lisapenn@intlabmate.com helenw@intlabmate.com


Editor Gwyneth Astles


Contributing Editor Heather Hobbs


Spotlight gwyneth@intlabmate.com heather@intlabmate.com


Contributing Editor - Separation Science Trevor Hopkins


Production Manager Robert Battell


Production Team Caroline Belt Jill Mitchell


Heather Vincent


Finance Controller Chris Brown


Accounts Assistant Maureen Woodhouse


Credit Control Manager Patricia Rogers


Subscriptions Manager Maureen Woodhouse


Market Research trevor@intlabmate.com Spotlight robert@intlabmate.com


caroline@intlabmate.com jill@intlabmate.com


heatherv@intlabmate.com chris@labmate.net maureen@labmate.net patricia@intlabmate.com


maureen@labmate.net Marstonbury Ltd


Research & Events News Heather Hobbs


Heather Hobbs News & Views


Published by International Labmate Ltd - Printed by Warners Midlands Plc


International Labmate is distributed to scientists, technologists, laboratory technicians and environmentalists throughout the Europe and Middle East, free of charge. The publication has the support of leading suppliers of equipment in the region and is displayed at the major exhibitions and conferences in these markets to attract additional readership.


International Labmate is a member of the


following trade association:


International Labmate, ISSN 0143-5140, is published 7 times a year - in February, March, April, May, July, September and November by International Labmate Ltd, Oak Court, Sandridge Park, St Albans, Hertfordshire, AL3 6PH, United Kingdom. The US annual subscription price is $100 USD.


Airfreight and mailing in the USA by agent named Air Business Ltd, c/o Worldnet Shipping Inc.,156-15, 146th Avenue, 2nd Floor, Jamaica, NY 11434, USA. Periodicals postage paid at Jamaica NY 11431. US Postmaster: Send address changes to International Labmate, Worldnet Shipping Inc., 156-15, 146th Avenue, 2nd Floor, Jamaica, NY 11434, USA Subscription records are maintained at International Labmate Ltd, Oak Court, Sandridge Park, St Albans, Hertfordshire, AL3 6PH, United Kingdom.


Air Business Ltd is acting as our mailing agent.


Business Opportunities Heather Hobbs


Microscopy News Heather Hobbs


North American Office: Carol Hardy - International Labmate Ltd 333 Colony Blvd. #194 The Villages, FL 32162, United States Tel: +(1) 623-869-0184 Fax: +(1) 623-321-9200. E-mail: carol@intlabmate.com


Asian Office: Marie Izzard - International Labmate Ltd PO Box 374, Mona Vale, NSW, 1660, Australia Tel: +61 (0) 2 9918 0317 Fax: +61 (0) 2 9918 0316 E-mail: marie@intlabmate.com.au


International Labmate is published six times per annum in tabloid format. In addition a most comprehensive “Guide to Laboratory and Environmental Equipment” printed in A4 format. It incorporates companies, products and dealers, mailed in May/June.


Although every effort is made to ensure the accuracy of material published, International Labmate and its offices cannot accept responsibility for claims made by contributors, manufacturers or advertisers.


© All rights reserved by International Labmate Ltd. Reproduction in part or whole without written permission is strictly prohibited. Please look after the environment by recycling this magazine


Japan: Mr Koichi Ogawa - OTO Research Corporation Takeuchi Building 1 -34-12 Takatanobaba, Shinjuku-Ku, Tokyo 169, Japan Tel: (03) 3208 7821 Fax: (03) 3200 2889


Technical Articles New Products


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Video E Bulletins Research News


2 News


Environmental Analysis & Electrochemistry Gwyneth Astles


36


Proteomics, Genomics & Microarrays Gwyneth Astles


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