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But because Barium has a different chemistry than Cesium, it is more loosely bound to the resin and can be de-adsorbed with a weakly acidic salt solution containing HCI and NaCI. barium test x-ray examination using a barium mixture to help locate disorders in the esophagus, stomach, duodenum, and small and large intestines. Such conditions as peptic ulcer, benign or malignant tumors, colitis, or enlargement of organs that might be causing pressure on the stomach may be readily identified with the use of barium tests. Se hela listan på encyclopedia.com 2021-01-13 · Uses for barium sulfate. Barium sulfate is used to help diagnose or find problems in the esophagus, stomach, and bowels. It is a radiographic contrast agent. Contrast agents are used to create a clear picture of the different parts of the body.
2.3 x 106. 12x 106 silver, barium arsenic and uranium; at 1000 y the fission products hazard and the for Use in Preparedness and Response for a Nuclear or Radiological Emergency”, IAEA Safety Standards Series No. GSG- Barium (56). Ba-131 (a) UN/SCETDG/53/INF.8. 8.
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Ba-135 has been used to validate the use of spinor symmetry while Ba-137 has been used in experiments regarding the theory of relativistic coupled clusters. Finally, Ba-138 has been used in studying so-called r- and s-processes in stars. 2021-01-13
barium (Ba) [bar´e-um] a chemical element, atomic number 56, atomic weight 137.34. (See Appendix 6.) Ingestion of excessive amounts can be toxic, occasionally resulting in fatal hypokalemia and paralysis. barium sulfate a water-insoluble salt used as an opaque contrast medium for x-ray examination of the digestive tract. barium test x-ray examination
Barium has applications in glass, electronics, medicine, paints and colorants.Barium sulfate is opaque to x-rays and can be safely swallowed as a suspension, and thus it is frequently used as a contrast medium for imaging the gastrointestinal tract.
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Burning in air or oxygen produces not just barium oxide (BaO) but also the peroxide.Simple compounds of this heavy element are notable for their high specific Barium titanate (BaTiO 3) is used as a dielectric material in capacitors. Barium ferrite (BaO·6Fe 2 O 3) is used to make magnets. Barium-137m, a radioactive form of barium produced by the decay of cesium-137, has a relatively short half-life and is commonly used in high school and college physics half-life determination experiments. This Cs-137/Ba-137m Isotope Generator is used to demonstrate the properties of radioactive decay. Based on the original Union Carbide patented design, it offers exceptional performance, ease-of-use, and safe operation.
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Barium makes parts of the body show up more clearly on an x-ray. Learn more. Barium hydroxide hydrate. 1 Product Result | Match Criteria: Product Name, Property Linear Formula: Ba(OH) 2 · xH 2 O. Molecular Weight: 171.34 (anhydrous basis) CAS Number: 40226-30-0. 450170 ; 99.995% trace metals basis; Sigma-Aldrich pricing.
In its pure form, it is silvery white. The metal oxidizes readily and should be stored under petroleum or other oxygen-free liquids. Barium decomposes in water or alcohol. Se hela listan på chemicool.com 137 55 Cs --> 137m 56 Ba + e-+ ν e. As the Cs-137 nuclei decay to the Ba-137m nuclei, the Ba-137m atoms remain adsorbed on the surface of the resin. But because Barium has a different chemistry than Cesium, it is more loosely bound to the resin and can be de-adsorbed with a weakly acidic salt solution containing HCI and NaCI. barium test x-ray examination using a barium mixture to help locate disorders in the esophagus, stomach, duodenum, and small and large intestines.