Zirconyl nitrate, with the CAS number 13826-66-9, is a high - quality chemical product offered at the best price. Its chemical formula is ZrO(NO₃)₂·xH₂O, where the value of x can vary depending on the degree of hydration. The molar mass is approximately 231.23 g/mol for the anhydrous form. It appears as a white crystalline solid. The product has a high purity level, which ensures its reliability in various applications. It is soluble in water, and the solution is acidic due to the hydrolysis of the zirconyl ion. When stored, it should be kept in a cool, dry place, away from heat sources and incompatible substances such as reducing agents and organic materials to prevent potential chemical reactions.
Zirconyl nitrate is a versatile chemical with a wide range of uses. In the field of catalysis, it can be used as a catalyst or a catalyst precursor. Due to its unique chemical properties, it can promote various chemical reactions, such as esterification and oxidation reactions. In the production of ceramics, it is used as an additive to improve the strength, hardness, and heat - resistance of ceramic materials. When added to the ceramic matrix, it can form a stable structure, enhancing the overall performance of the ceramics. In the surface treatment industry, zirconyl nitrate is used for passivation of metal surfaces. It can form a protective film on the metal surface, preventing corrosion and improving the metal's durability and resistance to environmental factors.
For use in catalysis, the appropriate amount of zirconyl nitrate should be added to the reaction system. The exact dosage depends on the specific reaction and reaction conditions. In general, it is added in small increments while monitoring the reaction progress. When using it in ceramics production, it is usually mixed with other ceramic raw materials in a ball - mill. The mixture is then sintered at a high temperature to form the final ceramic product. In the metal passivation process, the metal parts are immersed in a zirconyl nitrate - containing solution for a certain period of time. The solution concentration and immersion time need to be carefully controlled according to the type of metal and the required performance of the passivation layer.
In a chemical manufacturing plant, zirconyl nitrate was used as a catalyst in an esterification reaction. The traditional catalyst used in this reaction had low efficiency and generated a large amount of waste. By switching to zirconyl nitrate, the reaction time was significantly reduced from 8 hours to 3 hours. The yield of the ester product increased from 70% to 90%, and the purity of the product also improved. In a ceramics factory, zirconyl nitrate was added to the alumina ceramic production. The resulting alumina ceramics showed a 30% increase in hardness and a 20% increase in fracture toughness compared to the ceramics without zirconyl nitrate. These improved properties made the ceramics more suitable for high - wear applications, such as cutting tools. In a metal processing plant, a steel part was passivated using a zirconyl nitrate solution. After passivation, the steel part was tested in a salt - spray environment. The untreated steel part started to show signs of corrosion after 24 hours, while the passivated part remained corrosion - free for over 100 hours.
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