5A molecularsieve is calcium A-type silicon aluminate. A molecular sieve 5A can absorb molecules with critical diameters not exceeding 5A. All molecular molecules which can be adsorbed using 3A and 4A molecularsieves can be adsorbed via 5A.
Magnesium diboride, MgB2, is an ionic substance with a hexagonal crystal structure. It is a compound with alternate layers of boron and magnesium. Purity>99%Particle size: 5- 10um About Magnesium Difboride MgB2 Poudre: Magnesium boride, or MgB2,
Nickel powder is a form of gray-black or gray-gray powder. The chemical formula for nickel powder is Ni. It is insoluble in water and ammonia concentrated Nitric Acid. However, it is slightly soluble in dilute Nitric Acid.
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