Einsteinium CAS# 945009-57-4
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Chemical Name: Einsteinium
CAS No.: 945009-57-4
Molecular Formula: Es
Molecular weight: 252
Sample: Available
Einsteinium CAS# 945009-57-4: The Complete Guide
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What is Einsteinium CAS# 945009-57-4?
- With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is Einsteinium CAS# 945009-57-4 which has developed particularly rapidly in recent years. Do you know about Einsteinium CAS# 945009-57-4?
- The official answer: (Taiwan, Hong Kong, Macau called 鑀, the old translation is 䥺) (Einsteinium) is a synthetic element, symbol Es, atomic number 99. Cadmium is the 7th transuranic element, which belongs to the actinides. It was first discovered in December 1952 by physicist Gioso and others at the University of California, Berkeley [1-3].
The cadmium was found in the remnants of the first hydrogen bomb explosion in 1952 and is named after physicist Albert Einstein. Its most common isotope is cadmium-253 (half-life of 20.47 days), which is manufactured by the decay of californium-253 and produces about 1 milligram per year in a high-energy nuclear reactor. After synthesis, cadmium-253 is separated from other actinides and their decay products, which is a complex process. Other cadmium isotopes are synthesized in various laboratories with lighter ions hitting actinides, but in much less production. Too to being used to synthesize new elements, cadmium is used to emit X-rays. Cadmium was used for the first synthesis of the element neodymium in 1955 and a total of 17 vanadium atoms were synthesized.
Cadmium is a soft, silvery-white metal with paramagnetism. Its chemical properties are in line with typical actinides, which are prone to the formation of +3 oxidation states, and especially in solids can also form +2 states. The high radioactivity of cadmium-253 makes it glow and can destroy its crystalline metallic structure, releasing about 1,000 watts of heat per gram. The study of cadmium is difficult because cadmium-253 loses 3% of its mass every day and decays into germanium and osmium. Cadmium-252 is the longest-surviving cadmium isotope (half-life of 471.7 days) and can be used to study the physical properties of cadmium, but the production of cadmium-252 is difficult, and the yield of each time is very small. Cadmium is the last element that has ever been studied at a macroscopic scale in pure elemental form, using the common but short-lived isotope of cadmium-253. Like other synthetic transuranic elements, cadmium is radioactive and can cause health damage if eaten.
What’s the application of Einsteinium CAS# 945009-57-4?
Cadmium has no other application than in basic scientific research to make higher transuranic and superruperium elements.
In 1955, lawrence Berkeley National Laboratory used cyclotrons to radiate about 10 Es atoms to create a rhamnorrhoden. The reaction used, Es(α,n) Md, yielded 17 palladium atoms (atomic number 101).
The rare cadmium-254 isotope is often used to make superweight elements because of its high mass, long half-life (270 days) and high amounts (several micrograms) available at a time. Thus, in 1985, the superHILAC linear accelerator in Berkeley, California, used cadmium-254 to synthesize Uue (element 119). They hit the cadmium-254 target with calcium-48 ions, but did not detect any Uue atoms. This sets an upper limit of 300 nano-targets for the reaction cross-section.
Cadmium-254 was used to calibrate the Chemical Analysis Spectrometer on the Surveyor 5 lunar lander (see α-Scattering Surface Analyzer). Due to the high quality of this isotope, the overlap of the light element on the lunar surface with the signal of the cadmium-254 isotope on the analyzer is reduced.
Conclusion
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