Bench Boost by Inorganic Ventures

Епизоде

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  Inside an Ultra-High Purity Lab 30.07.2026 11мин

  Send us Fan Mail In part two of our PURE Laboratories collab Mike continues his conversation with Erik Miller and Dave Neville from Pure Laboratories, exploring what it takes to produce five-nine and six-nine purity materials. Learn about contamination control, sample preparation, ICP quality control, laboratory design, and the small details that make a big difference in ultra-trace elemental analysis.
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  Pure - The Business of High Purity Materials 23.07.2026 7мин

  Send us Fan Mail In this special episode of Bench Boost, the Inorganic Ventures podcast, host Mike Booth sits down with Erik Miller and Will Marble from Pure Laboratories to discuss the growing demand for ultra-high purity materials. They explore challenges surrounding raw material quality, rare earth supply, custom synthesis, and how material purity impacts advanced industries including semiconductors, energy storage, and aerospace.
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  Container Materials 14.07.2026 6мин

  Send us Fan Mail This week on Bench Boost Mike explains why sample container choice can significantly impact elemental analysis results through contamination, adsorption, precipitation, chemical attack, or evaporation. The differences in glass vs common plastics are reviewed in detail, and the episode concludes with a brief discussion on proper cleaning/leaching, and the practice using dedicated containers for ultra-trace work.
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  CCVs & ICVs 08.07.2026 8мин

  Send us Fan Mail This week on Bench Boost Mike explains two key ICP-OES/ICP-MS quality control samples: the Initial Calibration Verification (ICV) and Continuing Calibration Verification (CCV). The ICV is run after calibration and before samples to confirm the calibration worked. The CCV is run periodically during the batch to confirm the calibration remains valid as drift, clogging, cone buildup, washout, or other issues occur. This episode concludes with reviewing how to troubleshoot ICV or...
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  Elevated ICP-OES Backgrounds 09.06.2026 8мин

  Send us Fan Mail This week Mike discusses elevated backgrounds in ICP-OES when analyzing high total dissolved solids (TDS) samples such as brines, digests, excipients, salts, and starting materials. TDS increases free electron density in the plasma, producing Bremsstrahlung (braking) radiation and recombination radiation, which raise a broad continuum background across the spectrum. The elevated background degrades signal-to-noise, increases blank standard deviation, and worsens detection lim...
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  Conductivity Tips and Tricks 02.06.2026 8мин

  Send us Fan Mail Join Mike this week on Bench Boost as he explores the basics of conductivity measurements. We review the theory of how conductivity is dependent on ion concentration, charge, and mobility. He describes how contact probes work, emphasizing the cell constant and how proper probe selection to avoid poor sensitivity or signal saturation. Temperature is highlighted as a major variable, often ~2–3% per °C. Lastly we cover calibration using NIST-traceable KCl standards, and how cali...
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  Titrations and USP 541 26.05.2026 11мин

  Send us Fan Mail This week on Bench Boost we discuss titration techniques based on USP 541 and the Inorganic Venture's Titration Tips and Tricks guide. Mike explains the difference between equivalence point and observed endpoint and how key performance factors can include using the correct glassware, appropriate techniques, and thorough cleaning of burettes. We also cover the correct way to read a meniscus, and how optimizing sample size can prevent poor replicate agreement and high result va...
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  pH and USP 791 20.05.2026 10мин

  Send us Fan Mail This week on Bench Boost Mike explains why accurate pH measurement is more complex than it appears, highlighting the effects from temperature, ionic strength, calibration technique, probe condition, and sample chemistry. He reviews pH theory of hydrogen ion activity (not just concentration) and the logarithmic meaning of pH changes, then describes how a pH probe functions as an electrochemical cell. He details temperature impacts on solution pH and electrode response (Nernst ...
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  Common Tips for Analyzing Low Concentrations 13.05.2026 10мин

  Send us Fan Mail This week on Bench Boost Mike shares practical tips for analyzing pharmaceutical samples at low concentrations for USP 232 elemental impurities, emphasizing that high dilution makes small contamination or carryover issues critical. He advises minimizing contamination through careful container selection (avoiding glass and using acid-leached LDPE or leached polypropylene), and outlines a typical leaching process using dilute nitric acid for seven days. He also stresses using h...
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  The J Value 05.05.2026 7мин

  Send us Fan Mail This week Mike and Ashley explain the J value used in pharmaceutical elemental impurity testing to relate typical ICP concentration units to permitted daily exposure (PDE) limits reported in micrograms per day under USP <232> and ICH Q3D. They describe how J value accounts for both sample dilution factor and maximum daily dose, making results comparable to PDE requirements. They recommend preparing method standards at PDE limits for the relevant administration route and...
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  Pharma Elemental Analysis Overview 28.04.2026 7мин

  Send us Fan Mail This week Mike & Ashley review the standardized methods for elemental impurity analysis in pharmaceuticals: ICH Q3D, USP <232>, and USP <233>. ICH Q3D provides guidelines for testing up to 24 elements and emphasizes risk assessment but not detailed testing calculations; USP <232> sets elemental impurity limits; and USP <233> addresses sample preparation and analysis and relies on ICH Q3D concepts such as “J” concentrations (to be covered next week)...
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  Tech Support Questions 2 21.04.2026 12мин

  Send us Fan Mail The Inorganic Ventures team members answer more listener questions relevant to trace analysis. They address low mercury recovery at 2 ppb, noting mercury instability in nitric acid, adsorption to plastic, options such as preparing in HCl or stabilizing with ~1 ppm gold. They explain detection limit calculations using calibration data and blank replicates & distinguish instrument vs method detection limits, with suggestions to improve precision and sensitivity via conditio...
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  Tech Support Questions 1 07.04.2026 11мин

  Send us Fan Mail The Inorganic Ventures team answers listener questions focused on pharmaceutical elemental impurity analysis by ICP-MS. They explain why an indium internal standard becomes unstable in high-pH matrices due to insoluble hydroxide formation and how EDTA complexation can stabilize indium when used for iodine analysis. They discuss mercury washout problems caused by volatility, adsorption to sample introduction surfaces, memory effects, and redox/speciation, and emphasize proper ...
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  Troubleshooting Mining Samples Common Causes of Bad Data 31.03.2026 23мин

  Send us Fan Mail This week on Bench Boost Mike, Autumn, Micah, and Josh discuss common ICP-OES/ICP-MS issues in mining analyses and how to troubleshoot them by separating sample-prep from instrument root causes. Key sample-prep problems include incomplete digestion of refractory minerals, loss of volatile analytes, spitting, and adsorption/instability during transfers. They review contamination before jumping into issues borne from instrument assays; covering the topics of matrix effects from...
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  How to Validate a New Mining Method for ICP-OES or ICP-MS 24.03.2026 30мин

  Send us Fan Mail This week on Bench Boost Mike, Autumn, and Thomas dive deep into validation procedures for ICP-OES and ICP-MS methods. They discuss the importance of planning validation parameters early, understanding sample matrices & analyte levels, and achieving complete dissolution via appropriate digestions. They review the seven key validation parameters of accuracy, precision, detection limits, linearity, selectivity, robustness, and stability. They also outline best quality contr...
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  Avoiding Precipitation During Mining Sample Prep 17.03.2026 14мин

  Send us Fan Mail This week on Bench Boost the team from Inorganic Ventures discusses avoiding precipitation during sample preparation. They review mining sample challenges including high concentrations of Ca, Fe, Al, & silicates, sulfate-rich matrices forming insoluble sulfates, and rare earth elements requiring a more acidic matrix. Thomas explains how hydrolysis leads to insoluble metal hydroxides and reviews prevention strategies. Liv outlines how to use Ksp and how temperature effects...
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  Collision Reaction Cell ICPMS for Mining Applications 10.03.2026 13мин

  Send us Fan Mail This week on Bench Boost on team spotlights mining analysis challenges on ICP-MS due to high total dissolved solids, aggressive digestions, and low-ppb targets requiring interference control. They review ICP-MS interference types, giving examples such as ArO on Fe, and ArCl on As. The team explains how collision cell (helium KED) is used to reduce polyatomics and how reaction cell gases are used for mass-shifting analytes or interferences. Finally, they discuss triple-quad IC...
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  ICP Considerations for Lithium 03.03.2026 13мин

  Send us Fan Mail This week on Bench Boost our team reviews special considerations for measuring lithium by ICP-OES and ICP-MS. They discuss common lithium sample types and preparation guidance. Autumn emphasizes the impact of high total dissolved solids (TDS) and easily ionizable elements (EIEs) causing plasma ionization-balance shifts and signal suppression for some sample types. Additional tips include selecting appropriate internal standards, choosing suitable emission lines, and avoiding ...
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  Method Detection Limits in Mining: Why MDLs are Higher than You Expect 24.02.2026 11мин

  Send us Fan Mail In this episode of Bench Boost our team revisits method detection limits (MDLs) with a focus on why mining applications often produce higher MDLs than expected. Autumn contrasts instrument detection limits with method detection limits, which reflect real sample matrices, interferences, and method variability. Liv explains mining-specific drivers of elevated MDLs, including aggressive sample preparation and impacts from dilution and high total dissolved solids. Mike closes the...
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  Axial vs Radial ICP-OES for Mining 17.02.2026 15мин

  Send us Fan Mail In this episode of Bench Boost, Mike, Autumn, and Thomas discuss the differences between axial and radial views when using ICP-OES instruments. The focus is on how each view will impact precision, sensitivity, detection limits, and more. Our team compares which view is more prone to background interferences and which better handles complex samples with high concentrations of total dissolved solids. The episode also covers the challenges of analyzing mining samples including c...