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Barium (Ba)
Pure barium, ([Xe]6s2) (CAS 7440-39-3) is silvery-white, soft, and metallic. As a member of the alkaline earth group, it resembles calcium chemically. Naturally occurring barium is composed of seven stable isotopes and is not found in its elemental form. The metal oxides very easily and should be stored in an oxygen-free environment. Barium reacts with water and alcohol.
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CAS: 7440-39-3. ChEBI: CHEBI:32595. IUPAC Name: barium. InChI Key: DSAJWYNOEDNPEQ-UHFFFAOYSA-N.
CAS: 7440-39-3. ChEBI: CHEBI:32595. IUPAC Name: barium. InChI Key: DSAJWYNOEDNPEQ-UHFFFAOYSA-N.
CAS: 7440-39-3. ChEBI: CHEBI:32595. IUPAC Name: barium. InChI Key: DSAJWYNOEDNPEQ-UHFFFAOYSA-N.
Used as getter, in cathode ray tubes, thermionic emitter tubes and sodium vapor lamps This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand.
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Electron microscopy (EM) has a wide variety of applications in forensic investigation. Numerous crime-scene micro-traces, including glass and paint fragments, tool marks, drugs, explosives and gunshot residue (GSR) can be visually and chemically analyzed with scanning electron microscopy (SEM) .
US EPA Method 200.7 is the "Determination of Metals and Trace Elements in Water and Wastes by Inductively Coupled Plasma-Atomic Emission Spectrometry." EPA 200.7 sets the method detection limit (MDL) for 31 different elements, along with preferred wavelengths and calibration and quality control...
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Application Note: Analysis of lubricant additive elements under ambient air