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by Inorganic Ventures
Join our host and Inorganic Ventures Technical Director, Mike Booth, as he sparks insightful conversations with our panel of experts in Bench Boost, your go-to podcast for analytical chemistry enthusiasts. Together, they explore the realm of ICP, sharing tips and tricks and diving deep into all things analytical chemistry.
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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.
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.
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...
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...
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...
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...
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 ...
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...
Join our host and Inorganic Ventures Technical Director, Mike Booth, as he sparks insightful conversations with our panel of experts in Bench Boost, your go-to podcast for analytical chemistry enthusiasts. Together, they explore the realm of ICP, sharing tips and tricks and diving deep into all things analytical chemistry.
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