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Automated Thermogravimetric Determination of Moisture and Ash in Flour
The AOAC Official Method (925.10) Solids (Total) and Moisture in Flour utilizes a manual, air oven, loss-on-drying technique that is widely used in the food industry. AOAC Official Method (923.03) Ash in Flour also utilizes a manual, air oven, loss-on-drying technique. Learn from Jeffery Gast how an automated thermogravimetric moisture determination instrument like the TGA801 can follow both of the AOAC Official Methods' requirements for oven temperature and airflow while also reducing operator and analysis times, improving workflow efficiency. |
Multiclass GCxGC Method for Cannabis Products
Lorne Fell [LECO] provides an update on LECO Separation Science instruments and equipment. Jean-François Focant [University of Liège] presents "Multiclass GCxGC Method for Cannabis Products", discussing how GCxGC can be utilized to study cannabis strains for CBD content. |
Analysis of GCxGC-TOFMS Data using Tile-Based Fisher Ratio
Rob Synovec [University of Washington] discusses discovery-based analysis and its application into gas chromatography, and the development of ChromaTOF® Tile, a tile-based fisher ratio analysis tool. [Synovec presentation begins at 14:00] |
Characterization of Beverage Products Containing Cannabidiol
Liz Humston-Fulmer [LECO] utilized GCxGC TOF-MS technologies to understand the chemical composition of CBD-infused beverages. Originally presented 26 March 2020. |
Cannabis Potency Testing and Terpene Profiling
Dave Alonso explores GCxGC TOFMS analysis of cannabis samples for understanding of terpene and cannabinoids among cannabis cultivars. |
Cannabis Potency Testing and Terpene Profiling using GCxGC TOF-MS
Dave Alonso explores GCxGC TOFMS analysis of cannabis samples for understanding of terpene and cannabinoids among cannabis cultivars. |
Moisture and Loss-on-Drying in Cannabis
Jeff Gast [LECO] discusses an approach for determining proper temperature and analytical gas composition to provide the most accurate moisture value in cannabis, utilizing the RC612 and TGM800. |
Developing Methodology for Moisture Determination in Cannabis
Jeff Gast [LECO] presents an approach for determining proper temperature and analytical gas composition to provide the most accurate moisture value in cannabis, utilizing the RC612 and TGM800. |
Characterization of Beverage Products Containing Cannabidiol (CBD) by GCxGC TOF-MS
Liz Humston-Fulmer [LECO] utilized GCxGC TOF-MS technologies to understand the chemical composition of CBD-infused beverages. |
Selectivity: When, Where, And How To Use It!
Dr. Diane Turner (Senior Consultant & Director, Anthias Consulting Ltd.) covers techniques for sample analysis, selectivity in choosing the right technical setup (column choice, inlet parameters etc.), and also data analysis optimisation. |
Simply GCxGC
Lorne Fell [LECO] briefly discusses comprehensive two-dimensional gas chromatography, and demonstrates how to establish GCxGC methods utilizing the Simply GCxGC software. |
Flow Modulation: A Simple Approach to Resolving Complex Mixtures
John Seeley [Oakland University] discusses various modulation technique for sample introduction into GCxGC columns. |
Tracking Shelf Life Stability of Beer
Liz Humston-Fulmer [LECO] discusses how GC-MS can isolate analyte differences among aging beer samples. |
Analyzing Light Crude Oil and High Boilers with GCxGC
Thomas Groger [University of Rostock] discusses the benefits that GCxGC provided their laboratory with the study of crude oils, bitumen, and various high boilers (solvents added to slow evaporation rates). |
Single Substrate Analysis with GCxGC TOF-MS
"Better, Greener, Faster" Webinar presented by Bob Nelson and Chris Reddy, from the Woods Hole Oceanic Institution, September 2017. |
GCxGC Made Simple, with Simply GCxGC
Mark Merrick [LECO] overviews comprehensive two-dimensional gas chromatography, and introduces Simply GCxGC, a comprehensive 2D gas chromatography method optimization online tool. |
Tracking Chemical Changes in Aging Beer
Liz Humston-Fulmer [LECO] discusses how the Pegasus BT (with L-PAL3 Autosampler) identifies analyte changes due to aging of commercially available IPA beer. |
Exceeding Standard Environmental Method Requirements with GC-TOFMS
Jonathan Byer [LECO] discusses targeted and non-targeted analysis processes, comparing findings against Environmental Protection Agency standardized methods. |
Battling Fuel Fraud to Achieve ASTM D5769
Christina Kelly [LECO] explores how gas chromatography techniques can be utilized to identify fuel fraud - tax evasive behaviors utilizing gasoline-based fuels - and how LECO instruments perform against ASTM D5769 (standard test method for determination of benzene, toluene, and total aromatics in finished gasolines). |
Webinar: Chemical Composition on Hydraulic Fracturing Wastewater
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