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Gerstel

Application Notes by Gerstel

Fields & Applications Food, Beverage & Agriculture

Automated GC/MS Determination of 3-MCPD & Glycidol in Edible Oils

| Contributed by Gerstel

This Application Note describes a solution for fully automated determination of 3-MCPD and Glycidol in edible oils based on the reliable indirect method DGF C-VI 18 (10).

Fields & Applications Environmental

Automated On-line SPE-LC/MS/MS Method for Perfluorinated Compounds in Water Samples

| Contributed by Gerstel

In this report, the complete automation of an on-line SPE-LC/MS/MS method used for the determination of perfluorinated compounds in water samples is discussed.

Techniques & Tools Sample Preparation

Automated DBS-SPE-LC-MS/MS Analysis of Forensic and Veterinary samples

| Contributed by Gerstel

Fully automated Dried Blood Spot (DBS) analysis is demonstrated for forensic and veterinary samples and the results evaluated.

Techniques & Tools Technology

Accurate Transfer of Liquids for highest precision using a bench-top Workstation

| Contributed by Gerstel

Highly accurate standard addition and generation of standards and dilution series can significantly improve the quality of analysis results.

Measurement of Chemical Emissions from Spray Polyurethane Foam (SPF) Insulation

| Contributed by Gerstel

Sprayed Polyurethane foam (SPF) insulation is widely used in construction and for renovation and thermal insulation of existing buildings.

Automated Sample Preparation for Metabolomics Studies Using the Gerstel MPS Dual Head WorkStation

| Contributed by Gerstel

In this AppNote, automated fractionation of lipid classes using solid phase extraction (SPE) is presented. The SPE fractions are concentrated and re-dissolved in small amounts of solvent, followed by LC-QTOF analysis.

Comprehensive Automation of the SPEGC/ MS Analysis of Opioids, Cocaine and Metabolites

| Contributed by Gerstel

Analyzing blood serum for opioids, cocaine and their metabolites commonly involves manual or partly-automated sample preparation steps such as protein precipitation, solid phase extraction, evaporation and derivatization before GC/MS or LC/MS determination. The process can now be fully automated.

Identification of Key Sensory-Active Flavor Compounds in Plant-Based Tuna Fish using Sensory Directed Analysis

01/01/1970 | Contributed by Gerstel

Plant-based proteins are a rapidly growing market with plant-based seafood replacement also seeing significant growth in recent years.

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