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Experts are warning that fraudsters are exploiting Black Friday sales to target U.S. shoppers with fake websites and ads for major brands like IKEA, Wayfair and The North Face, after online scams ...
GFAA spectrometry instruments have the following basic features: 1. a source of light (lamp) that emits resonance line radiation; 2. an atomization chamber (graphite tube) in which the sample is vaporized; 3. a monochromator for selecting only one of the characteristic wavelengths (visible or ultraviolet) of the element of interest; 4. a detector, generally a photomultiplier tube (light ...
The Federal Trade Commission said there were no task scams in 2020, there were 5,000 in 2023 and then task scams quadrupled by the first half of 2024.
GFAA method development Graphite tube. Electrothermal AAS (ET AAS) using graphite tube atomizers was pioneered by Boris V. L’vov at the Saint Petersburg Polytechnical Institute, Russia, [5] since the late 1950s, and investigated in parallel by Hans Massmann at the Institute of Spectrochemistry and Applied Spectroscopy (ISAS) in Dortmund ...
Aquadag is a trade name for a water-based colloidal graphite coating commonly used in cathode ray tubes (CRTs). It is manufactured by Acheson Industries, a subsidiary of ICI. The name is a shortened form of "Aqueous Deflocculated Acheson Graphite", [1] but has become a generic term for conductive graphite coatings used in vacuum tubes. Other ...
Homeowners across the U.S. are being targeted in a sophisticated scam in which callers pose as mortgage lenders to defraud people out of hundreds of thousands of dollars, ...
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