Chromium Getter
Chromium Getter - Related Videos
12:30
Development and Validation of Chromium Getters for Solid Oxide Fuel Cell Power Systems
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Cited by 3 •
2019
Cathode poisoning from airborne contaminants in trace levels remains a major concern for long-term stability of high-temperature electrochemical systems. We provide a novel method to mitigate the cathode degradations using getters, which capture airborne contaminants at high temperature before entering electrochemically active stack area.
11:48
Assay for Cell Death: Chromium Release Assay of Cytotoxic Ability
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2023
Source: Frances V. Sjaastad1,2, Whitney Swanson2,3, and Thomas S. Griffith1,2,3,4 1 Microbiology, Immunology, and Cancer Biology Graduate Program, University of Minnesota, Minneapolis, MN 55455 2 Center for Immunology, University of Minnesota, Minneapolis, MN 55455 3 Department of Urology, University of Minnesota, Minneapolis, MN 55455 4 Masonic Cancer Center, University of Minnesota, Minneapolis, MN 55455 One of the main functions of the cells of the immune system is to remove target cells...
07:25
Habituation: Studying Infants Before They Can Talk
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2023
Source: Laboratories of Nicholaus Noles, Judith Danovitch, and Cara Cashon—University of Louisville Infants are one of the purest sources of information about human thinking and learning, because they’ve had very few life experiences. Thus, researchers are interested in gathering data from infants, but as participants in experimental research, they are a challenging group to study. Unlike older children and adults, young infants are unable to reliably speak, understand speech, or even move and...
07:25
Identifying Alcohols - Instructor Prep
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2020
Source: Lara Al Hariri at the University of Massachusetts Amherst, MA, USA Preparation of ReagentsExpand Here, we show the laboratory preparation for 10 students working in pairs, with some excess. Please adjust quantities as needed. Before you begin, put on a lab coat, safety glasses, and nitrile gloves, and set up a waste container for aqueous chromium, iron, and zinc waste. Note: Work in a fume hood because the reagents are acidic, toxic, and corrosive. The reagents undergo...
09:46
Construction and Evaluation of a Murine Calvarial Osteolysis Model by Exposure to CoCrMo Particles in Aseptic Loosening
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Cited by 9 •
2018
This manuscript describes a murine calvarial osteolysis model by exposure to CoCrMo particles, which constitutes an ideal animal model for assessing the interactions between wear particles and various cells in aseptic loosening.
FAQs
Activation exposes a fresh metallic chromium surface, which provides chemically reactive sites for residual gas molecules. Oxygen, water vapor, and other reactive species bind to that surface rather than remaining freely distributed in the vessel. As these molecules are captured, their partial pressures decrease, helping the system sustain a cleaner, more stable atmosphere.
The material is described as capturing residual oxygen, water vapor, and other reactive gas molecules. This broad scavenging behavior is important because these species can contribute to unwanted oxidation or moisture contamination. By binding them at the chromium surface, the getter reduces their presence in the surrounding sealed or evacuated chemical system.
Reducing the partial pressures of reactive gases directly improves atmospheric control within the vessel. Lower concentrations of oxygen, water vapor, and related species limit opportunities for unwanted chemical reactions, especially oxidation. This makes the internal environment more stable and supports reliable measurements, sensitive samples, and processes that require controlled vacuum conditions.
The material is placed within the sealed or evacuated vessel and then activated to expose its fresh metallic surface. That surface chemically binds residual reactive gases present in the system. The procedure therefore combines controlled enclosure with activation, allowing oxygen, moisture, and other reactive molecules to be removed from the working atmosphere.
Chromium getters are relevant wherever unwanted reactive gases could affect performance or sample stability. The described applications include vacuum chemistry, sealed instruments, electronic devices, and materials processing. In these settings, gas scavenging helps maintain controlled atmospheres, reduce contamination, improve measurement reliability, and support stable operation of sensitive components or materials.
In electronic devices and materials processing, trace oxygen or moisture can interfere with the stability of components, samples, or processed materials. Chromium provides a chemical means of binding these reactive gases inside the controlled system. Lower residual-gas partial pressures help preserve the intended atmosphere and reduce contamination-related effects during operation or processing.