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Over 1 2 JULY 2022 - VOLUME 47 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


OFC - Fritsch.indd 1 27/06/2022 10:53


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 Chromatography


The Importance of Understanding Pump Flow Carlo Dessy


Automated Sample Preparation: The Missing Hyphen to Hypernation


Camilla Liscio Mass Spectrometry & Spectroscopy


Measurement of VOCs in Vehicle Interiors Using Thermal Desorption GC-MS with Nitrogen as the Carrier Gas Waldemar Weber


Over Head Office - International Labmate Ltd


Oak Court, Sandridge Park, St AIbans, Hertfordshire AL3 6PH, UK. 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


2 1 14


Determination of the instrument detection limit of the ISQ 7610 single quadrupole GC-MS with the ExtractaBrite electron ionisation source


Amit Gujar, Tim Anderson, Kenneth M. Free and Adam Ladak Laboratory Products


Optimising Bioreactor Yields with Smart Sensors Gina Greco


54 Publisher Michael H. Pattison


Director of Publications Marcus Pattison


michael@intlabmate.com marcus@intlabmate.com


International Sales & Marketing Manager Chris Jarvis


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 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


Production Manager Robert Battell


Production Team Caroline Belt Jill Mitchell


Heather Vincent-Browne


Finance Controller Chris Brown


Accounts Assistant Maureen Woodhouse


Credit Control Manager Rona Sellars


Subscriptions Manager Maureen Woodhouse


Market Research Microscopy & Microtechniques gwyneth@intlabmate.com heather@intlabmate.com robert@intlabmate.com


caroline@intlabmate.com jill@intlabmate.com


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


maureen@labmate.net Marstonbury Ltd


Environmental Analysis & Electrochemistry Particle Characterisation


Proteomics, Genomics & Microarrays


Achema Show Preview Gwyneth Astles


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: News


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.


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.


Mail Options Ltd is acting as our mailing agent.


Research & Events News Heather Hobbs


Asian Office: Marie Izzard, International Labmate Ltd, PO Box 374, Mona Vale, NSW, 1660, Australia Tel: +61 (0)2 6559 2573 • E-mail: marie@intlabmate.com.au


Heather Hobbs News & Views


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


Microscopy News Heather Hobbs


Business Opportunities Heather Hobbs


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Features Spotlights


A difficult Crystal to Crack Dr Paula Salgado


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