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This week on Bench Boost our team discusses the importance of custom certified reference materials (CRMs) in precision elemental analysis, particularly in the mining industry. This episode features a continuation of the previous week's discussion on matrix match standards, focusing on the benefits of using custom CRMs. Thomas, Ashley, Liv, and Mike explain how custom CRMs improve accuracy, efficiency, and reduce errors in analytical labs.

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In this episode of Bench Boost our team discusses the importance of matrix matching standards to samples in the mining industry. They explore the benefits and applications of using stock single element, and multi-element CRMs for accurate precision elemental analysis. The team delves into the challenges of matrix mismatches, particularly in complex, high-concentration acid and total dissolved solids samples, and offer practical tips for designing effective working standards. They highlight the advantages of using stock and custom standards, emphasizing the need for accurate standard preparation and proper matrix matching to ensure reliable results.

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The week our team recaps the “Back to Basics” series on Bench Boost. They discuss topics covered in previous episodes, including pipetting, instrumentation, calibration standards, stability, solubility, lab math, detection limits, and plasma fundamentals. Liv highlights the importance of proper sample preparation and pipetting techniques. Thomas explains the selection of appropriate instrumentation like AA, ICP-OES, and ICP-MS, and the necessity of instrument tuning, calibration, and performance checks. Autumn revisits essential lab math formulas and the principles of plasma in elemental analysis. The chemists emphasize that understanding the entire analytical workflow is crucial for obtaining accurate and precise data.

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In this episode of Bench Boost, our team discusses the versatility and utility of 3D printers in the lab. They delve into the various uses of 3D printing, such as fabricating custom parts, prototyping solutions, and creating unique lab tools. The team explains the two main types of 3D printers (FDM and SLA) and the materials they use. They share practical examples of how 3D printing has solved specific problems in their lab, like creating custom auto-sampler racks and holders. Additionally, they discuss the potential drawbacks and limitations, focusing on material compatibility and precision requirements. The conversation also touches on personal uses of 3D printers for making toys and gifts, highlighting the broad applicability and creativity that 3D printers enable.

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In this episode of Bench Boost, Ashley, Liv, and Mike delve into the fundamentals of how the plasma functions in ICP-OES and ICP-MS instruments. They explain the process of plasma interaction with sample aerosols, covering steps from desolvation to ionization. The discussion also includes the structure of plasma, its temperature variations, and how it can be manipulated by adjusting gas flow and RF power. They highlight the importance of ionization buffers and the differences between axial and radial viewing. The team concludes this week with an overview of cool plasma techniques in ICP-MS applications.

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In this episode of Bench Boost, our team answers various listener questions on topics such as the use of Unisolv reagents for rare earth element analysis, best practices for replacing leaching solutions, digestion protocols for iron in rabbit brain tissue, interferences in Indium analysis by ICP-OES, and safe analysis of samples prepared with HF. The discussion provides practical advice and technical insights into digestion processes, sample contamination, and equipment compatibility with HF.

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In this episode of Bench Boost, our team discusses detection limits. They cover the differences between instrument detection limits and method detection limits, detailing how each is calculated and the importance of optimizing conditions to achieve the lowest possible detection limits. The discussion includes practical tips for enhancing detection limits through sensitivity adjustments, stable measurements, and proper sample preparation. The need for periodic reevaluation of detection limits to maintain accuracy as instruments age and methods change is also highlighted.

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In this episode of Bench Boost Mike, Ashley, Autumn Phillips, and Liv discuss food testing procedures for trace metals with a focus on Thanksgiving, talking how to best analyze turkey brine. They cover various technical considerations, including dilution factors, contamination avoidance, and proper sample preparation techniques for accurate measurement. Specific methods recommended by the FDA, such as EAM 4.4 and 4.7 for multi-element analysis using ICP-OES and ICP Mass Spec, are discussed in detail. The episode includes practical tips like using high-purity water and acids to prevent contamination, running method blanks, and employing matrix matched standards. The team also shares their favorite Thanksgiving foods, adding a personal touch to the technical discussion.