エピソード

  • Samples Containing Re
    2024/12/24

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    In this episode, we explore the rare yet versatile element rhenium, used in high-temperature applications like turbine blades and jet engines. Learn how to effectively prepare rhenium samples, including best practices for dissolving metals and handling oxides through fusion techniques. We also cover tips for testing on ICP-OES and ICP-MS, with insights on avoiding interferences from rare earth elements and osmium.

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    8 分
  • Samples Containing Mn
    2024/12/17

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    This episode focuses on manganese, an essential but often overlooked element in sample preparation and ICP analysis. Learn how manganese behaves in various matrices, from metals and alloys to oxides and organics, and discover tips for avoiding contamination during sample prep. We explore effective dissolution techniques using nitric and hydrochloric acids, strategies to stabilize manganese in solution, and how to manage interferences in ICP-OES and ICP-MS testing.

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    12 分
  • Samples Containing W
    2024/12/10

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    This episode explores the challenges and solutions for working with tungsten in sample preparation and ICP analysis. Learn effective techniques for dissolving tungsten metals, alloys, and oxides, including the critical role of HF for stability. We also cover tips for avoiding hydrolysis and preventing tungsten trioxide formation. On the testing side, discover how to manage spectral interferences in ICP-OES and ICP-MS, along with strategies for addressing tungsten's notorious carryover issues.

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    9 分
  • Samples Containing Mo
    2024/12/03

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    This episode unpacks the complexities of preparing and analyzing molybdenum samples across various matrices. From metals and alloys to refractory oxides and biological samples, we explore effective methods for dissolution and stability. Learn about molybdenum’s unique behavior, such as its compatibility with ammonium hydroxide matrices and its interactions with HF. Discover tips for avoiding interferences in ICP-OES and ICP-MS testing, including dealing with complex oxide and chloride interferences.

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    13 分
  • Samples Containing Cr
    2024/11/26

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    This episode dives into the challenges and nuances of preparing and analyzing chromium samples. From understanding the differences between chromium’s oxidation states to effective methods for dissolving metals, oxides, and ores, we cover it all. Learn why chromium resists corrosion, how to avoid refractory oxides in organic matrices, and tips for testing Cr using alternative techniques like ion chromatography and UV-Vis. Whether you’re tackling sample prep or troubleshooting interferences in ICP analysis, this episode is packed with practical insights to ensure accuracy and reliability in your results.

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    15 分
  • Samples Containing Nb and Ta
    2024/11/19

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    This episode focuses on the intricacies of preparing and analyzing samples containing niobium and tantalum, two elements with similar geochemistry and behavior. Learn effective methods for dissolving metals, alloys, and oxides using techniques such as HF stabilization and fusion methods, while addressing challenges like signal quenching and purity issues. Discover best practices for ICP-OES and ICP-MS testing, including how to manage interferences from tungsten and rare earth oxides. This episode is packed with actionable insights for anyone working with these unique and often tricky elements.

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    13 分
  • Samples Containing V
    2024/11/12

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    In this episode, we explore the versatile and "colorful" chemistry of vanadium in sample preparation and analysis. Learn about effective methods for dissolving vanadium metals, alloys, and oxides, including tips on handling its various oxidation states. Discover practical advice for working with vanadium in different matrices, stability insights, and unique color-change indicators that can help you assess sample prep success. With vanadium being straightforward to test on ICP-OES and ICP-MS, this episode highlights everything you need to achieve reliable results with this stable element.

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    8 分
  • Samples Containing Zr & Hf
    2024/11/05

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    This episode explores best practices for preparing and analyzing samples containing zirconium and hafnium. Discover the unique challenges these "geochemical twins" present, from handling metals and oxides with HF to using sodium carbonate and tetraborate fusions. Learn how to maintain stability in solution and avoid common ICP interferences, especially when working with trace elements. Perfect for labs tackling complex matrices, this episode offers essential insights for reliable results in zirconium and hafnium analysis.

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    14 分