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The company was founded by Caltech professor Arnold O. Beckman in 1935 as National Technical Laboratories to commercialize a pH meter that he had invented.. In the 1940s, Beckman changed the name to Arnold O. Beckman, Inc. to sell oxygen analyzers, the Helipot precision potentiometer, and spectrophotometers.
Oldham EX2000 portable explosimeter. An explosimeter is a gas detector which is used to measure the amount of combustible gases present in a sample. When a percentage of the lower explosive limit (LEL) of an atmosphere is exceeded, an alarm signal on the instrument is activated.
This output change is linear, for most gases, up to and beyond 100% LEL, response time is a few seconds to detect alarm levels (around 20% LEL), [1] at least 12% oxygen by volume is needed for the oxidation.
Automated coagulation machines or Coagulometers measure the ability of blood to clot by performing any of several types of tests including Partial thromboplastin times, Prothrombin times (and the calculated INRs commonly used for therapeutic evaluation), Lupus anticoagulant screens, D dimer assays, and factor assays.
The best known of Technicon's CFA instruments are the AutoAnalyzer II (introduced 1970), the Sequential Multiple Analyzer (SMA, 1969), and the Sequential Multiple Analyzer with Computer (SMAC, 1974). The Autoanalyzer II (AAII) is the instrument that most EPA methods were written on and reference.
Muscle Loss. IF YOU DROP 15 to 25 percent of your body weight, 15 to 60 percent of that could be lean mass (muscle, bone, anything but fat). Strength training helps counter that. In one study of ...
These were later followed by elemental analyzers based on inductively coupled plasma (ICP) optical emission and x-ray fluorescence spectrometry. [1] SPECTRO is a major provider or analytical instrumentation with an installed base of over 30,000 spectrometers worldwide. [ 2 ]
The biggest refugee crisis in recorded history has engulfed continents, swung elections and fueled the rise of nativism. It has also made a lot of people very, very rich.
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