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Time-Resolved Electrochemical Quartz Crystal Microbalance
400C Series
The quartz crystal microbalance (QCM) is a variant of acoustic wave microsensors that are capable of ultrasensitive mass measurements. Under favorable conditions, a typical QCM can measure a mass change of 0.1-1 ng/cm2. QCM oscillates in a mechanically resonant shear mode under the influence of a high frequency AC electric field which is applied across the thickness of the crystal. Figure 1b below shows an edge view of a QCM crystal undergoing oscillatory shear distortion. The central portions of the top and bottom of the crystal are coated with a typically disk-shaped thin metal film (e.g., gold).
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Open-Source Quartz Crystal Microbalance
The sensor is a surface sensitive quartz crystal capable of measuring phenomena at molecular scale. It works in vacuum, air and liquid environments. The QCM sensor is based on the piezoelectric properties of the quartz crystal. The application of an alternating current causes the mechanical vibration of the quartz crystal in the MHz range. The QCM technique measures the variations in quartz frequency for measuring the mass variations on its surface.
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Flow Cell Kit
QCMT
The quartz crystal microbalance (QCM) technique under electrochemical frequency is very useful to determine many compounds such as metal proteins, metal ions and thiol-conjugated oligonucleotides.
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Moisture Analyzer Series
3050
The 3050 series of moisture analyzers utilizes AMETEK’s proven, accurate quartz crystal microbalance (QCM) technology. Built-in verification provides operators with increased measurement confidence.
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Quartz Crystal Microbalance
Determining moisture concentration in natural gas, industrial gases or process gas is critical to many applications. QCM and electrolytic analyzers deliver fast, reliable and cost-effective measurements that support these processes.
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Flow Cell Kit
EQCMT
The two blocks of the EQCMT Flow cell are constructed using PEEK. It gives a high resistivity for chemical compounds.As well as QCM, these cell is reversible. With a inverted position of the blocks, it is possible to change from flow to static measurement.
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Nanogravimetric Measuring Instrument
EUREKA
Eureka is a QCM / EQCM (Quartz Crystal Microbalance) nanogravimetric measuring instrument capable of mass measurements in the order of nano-grams and pico-grams. Eureka can be used with gas and liquids, the cells are made by BioAge and sold with the instrument. The tool is the most versatile among those existing on the market, with an excellent quality / price ratio. It is a portable instrument as it is powered only by the PC USB port.
