Search results for keyword: chromatography
Separation of zirconium and hafnium by recrystallization
Separation of Zirconium and Hafnium by Ion Exchange chromatography Using the Cation Exchange Resin
Abstract
Zirconium and hafnium are a pair of chemically similar elements that are difficult to separate in the environment. In this research, preparative isolation of zirconium and hafnium was achi......
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Niobium and tantalum separation
Molybdenum – Tantalum Separation
Molybdenum and tantalum are two of the transition metals in the periodic table. These metals have some similarities, but their atomic properties are very different. Molybdenum and tantalum can occur naturally together in the same ore, making it necessary to separ......
Lithium isotope separation
Lithium isotope separation
Lithium isotope separation is the process of separating lithium atoms of different masses. It is used for a variety of scientific and industrial applications, including manufacture of pharmaceuticals, research, nuclear energy production, and materials analysis. It can a......
Gold extraction and purification
Bio-review: A New Generation of Purification Technology by Phyto-pharmaceuticals
Phytopharmaceuticals is a new generation of biotechnological purification technologies which seeks to utilize extracts from plants for medicinal purposes. This technology has recently gathered significant attention i......
Extraction and separation of platinum group metals
Introduction
Platinum group metals (PGMs) are a group of six transition metals—platinum, palladium, rhodium, iridium, osmium, and ruthenium—which have similar physical and chemical characteristics. They have high melting points, neutral oxidation states, good catalytic properties and resistance......
Platinum Group Metals Separation
In modern society, the purification of Platinum Group Metals (PGMs) is an important mineral processing task, with numerous techniques developed over the years in order to increase purity levels of these metals. PGMs, including osmium, iridium, palladium and platinum, are found in large deposits th......
Preparation of high-purity cesium metal
，主题是高纯金属铯制取
The production of pure metal cesium is an important process in the modern chemical industry. It is widely used in the production of all kinds of optical materials, electronic devices, fluorescent disks and other products. This article focuses on the production of pure metal c......
Preparation of perrhenic acid
GantriumAcid Purification
Gantrium acid, also known as trifluoroacetic acid, is a widely used chemical in chemical synthesis and processes, and is also widely used in industrial and pharmaceutical industries. It is characterized by its strong acidity, very high solubility, and low toxicity. Gantr......
Zinc sulfate solution purification
Purification of Zinc Sulphate Solution
Zinc sulphate is a chemical compound used for a variety of purposes, and it is often necessary to purify a zinc sulphate solution. Impurities can cause a variety of problems, such as discrepancies in the results of experiments, or the formation of precipitate......
Particle purity
Particle purity is a measure of the extent to which a given particle is free from contaminants. In the cases of pharmaceuticals, that means measuring the degree to which impurities, such as other active ingredients, excess amounts of excipients, foreign materials, and packaging materials, are pres......
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