Mass Spectrometry & Spectroscopy 21 Mass Spectrometry Sample Preparation for Nylon 6,6 Analysis
A new technical note from BioChromato compares Evolved Gas Analysis (EGA) and Thermal Desorption (DART) as sample preparation methods for Mass Spectrometry analysis of Nylon 6,6.
Synthesised by polycondensation of hexamethylenediamine and adipic acid, Nylon 6,6 is a polyamide or nylon that is commonly used in the textile and plastic industries. Nylon 6,6 is a polymer of choice when high mechanical strength, rigidity, good stability under heat and/or chemical resistance are required. In the technical note the authors compare ionRocket-DART®
-MS to EGA-MS for analysis of Nylon 6,6 samples.
Evolved Gas Analysis has traditionally been used as a mass spectrometry sample preparation technique for polymers, plastics, and fi bres. However, analysis by EGA-MS generates fragment ions and requires a database to confi rm the identity of the mass fragments.
By comparison, the authors demonstrate how using ionRocket-DART/MS you can observe the parent ion without fragment ions because DART is a soft ionisation technique. Consequently, ionRocket-DART/MS can provide qualitative analysis even if customers cannot fi nd an objective mass fragment within their EGA/MS database.
The ionRocket is a temperature-heating device for direct thermal desorption and pyrolysis of samples, prior to ionisation and analysis by mass spectrometry. Using ionRocket a temperature gradient from ambient up to 600ºC can be achieved in just a few minutes. This enables polymers, plastics, and fi bres to be pyrolysed and then introduced into the DART®
-MS gas stream.
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Powerful Stable Isotope Ratio Mass Spectrometer
Mobile NIR Spectroscopy Solution for Animal Feed Analysis
A portable NIR solution that provides customers with a fast and reliable on-site analysis of animal feed and ingredients has been announced by BASF Animal Nutrition and trinamiX GmbH.
By signifi cantly miniaturising conventional NIR spectroscopy, the trinamiX’ Mobile Near Infrared (NIR) Spectroscopy Solution provides a high-performance ‘lab in the pocket’. Together with BASF, the company is now using their solution to accelerate and simplify feed analysis. The collaboration brings together BASF’s animal nutrition knowledge and trinamiX’ expertise in mobile NIR spectroscopy. The result is a powerful, cloud-based combination of a handheld device, smartphone app, and customer portal which enables customers to receive relevant insights into the quality and nutritional value of samples at the push of a button. The solution thus enhances feed formulation and quality control. to address the industry’s most complex challenges.
The new NIR solution covers a broad variety of samples, ranging from feed ingredients to fi nished feed to forage. It supports parameters that are crucial to feed quality and the wellbeing of livestock, including moisture, protein, fat, and energy.
Isotopx introduces SIRIX, a new large radius gas source stable isotope ratio mass spectrometer.
SIRIX features advanced multicollector technology derived from the Phoenix Thermal Ionisation MS. It also includes the company’s unique, patented ATONA®
Measuring a sample takes less than a minute and can be performed on the spot. The results are instantly displayed in the smartphone app and are permanently accessible via trinamiX’ web-based customer portal for further evaluation.
Using our mobile NIR solution, feed millers, nutritionists, and farmers get a fast and independent solution to guarantee the quality of animal diets,” said Manuel Rez, Director Product Management Performance Ingredients & Marketing at BASF Animal Nutrition.
amplifi er technology in combination with
a high sensitivity, high mass resolution spectrometer design. The result is a powerful, versatile, sensitive, stable isotope mass spectrometer that is intuitive to use, and can also be optimised for the most exacting applications, including the measurement of isotopologues.
Key features include: 9 individually movable Faraday detectors; lLarge 90°27 cm radius magnet; simultaneous measurement of m/z 44, 45, 46, 47, 48 and 49; wide fl ight tube ensures no backgrounds from refl ected ions; mass resolving power of 5,000 is obtainable; better than 10 ppm precision for 48 CO2 / 44 CO2, within 100 minutes; ATONA®
allows
accurate and precise measurement of ion signals of >1e-7 A down to <1e-17 A on the Faraday array.
Users of SIRIX will also benefi t from the capability to signifi cantly increase their throughput compared to existing solution. The exceptionally quiet and stable amplifi er system allows for extended measurement times of sample gas, without the need for repetitive calibration with a reference gas, or calibration of different gain resistors
Zenon Palacz, Managing Director, said: “The addition of a smarter solution for clumped isotopes is a welcome addition to our portfolio. Through direct engagement with the isotopologue community we’ve identifi ed where traditional IRMS systems cannot meet the analytical needs and designed a solution to fi ll that gap. Our experience with larger radius, large magnet instruments from TIMS and noble gas analysis put us in an excellent position to provide this solution. Furthermore, our ATONA®
technology lends itself incredibly well to isotopologue applications where there are large variances in isotope abundances.
More information online:
ilmt.co/PL/LqjP 56966pr@reply-direct.com
Starna Scientific Ltd
www.starna.com
The first company worldwide to achieve
ISO/IEC 17025 accreditation for liquid and glass CRMs
…and the preferred supplier to leading pharmaceutical companies, instrument manufacturers and accredited laboratories globally.
“By combining accurate results with the fl exibility of a portable device which fi ts into your pocket, we are paving the way for an effi cient and reliable approach to feeding,” explained Nils Mohmeyer, Head of Business Development and Sales Spectroscopy at trinamiX. “Our customers no longer need to send samples to the laboratory. Instead, the laboratory comes to them,” he added.
More information online:
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