cn101973545a - method for purifying high-purity

Method for purifying high

The invention relates to a method for purifying high-purity organic solvent acetonitrile for research, including the steps as below: acetonitrile which is used as a raw material reacts with solid alkali at low temperature so as to eliminate unsaturated nitrile impurities absorbed by high waveband ultraviolet are removed by the adsorption of zeolite and polymeric adsorbent and a 3A molecular

Ultrapure water

Ultrapure water (UPW), high-purity water or highly purified water (HPW) is water that has been purified to uncommonly stringent specifications. Ultrapure water is a term commonly used in the semiconductor industry to emphasize the fact that the water is treated to the highest levels of purity for all contaminant types, including: organic and inorganic compounds; dissolved and particulate

Method and apparatus for purification of argon

A process for purifying argon to obtain a high-purity argon from argon gas containing at least nitrogen, carbon monoxide, oxygen, and methane, including a first step of adding air or oxygen to the argon gas in an amount sufficient to oxidize the contained carbon monoxide into carbon dioxide in the presence of a catalyst while maintaining a temperature sufficient to oxidize the contained carbon

A novel method for purifying bluetongue virus with high

This method can purify BTV-10 with high quality and high biological activity on large-scale production. It also can be used for purifying other BTV serotypes. Bluetongue virus (BTV) is an icosahedral non-enveloped virus within the genus Orbivirus of Reoviridae and exists as 24 distinct serotypes.

New process for purifying high purity α1

The α1-antitrypsin with purity of 98.17% and specific activity of 3893.29 IU/mg in this study is better than some commercially available α1-antitrypsin products. Simple process, commercial and inexpensive chromatography medium, and high purity of the product may facilitate further application of this method.

Purification of high purity docosahexaenoic acid from

2020/9/16Nevertheless, high-purity DHA ( 98%) production using preparative HPLC can be a very attractive method in terms of industrial-scale and economics. Furthermore, the purification method established in this study is expected to greatly accelerate the application of DHA as medical research material and drug.

A novel method for purifying bluetongue virus with high

This method can purify BTV-10 with high quality and high biological activity on large-scale production. It also can be used for purifying other BTV serotypes. Bluetongue virus (BTV) is an icosahedral non-enveloped virus within the genus Orbivirus of Reoviridae and exists as 24 distinct serotypes.

Hydrogen Purification Methods

Hydrogen Generators that are utilised to provide Carrier Gas for GC and GC/MS applications employ many technologies to provide high purity hydrogen. Technology Considerations on Hydrogen Generation Technology Hydrogen Generators that are utilised to provide Carrier Gas for GC and GC/MS applications employ many technologies to provide high purity hydrogen.

A novel method for purifying bluetongue virus with high

2010/6/13This method can purify BTV-10 with high quality and high biological activity on large-scale production. It also can be used for purifying other BTV serotypes. Bluetongue virus (BTV) is an icosahedral non-enveloped virus within the genus Orbivirus of Reoviridae and

New process for purifying high purity α1

2017/3/1Secondly, the high purity (98.17%) and specific activity (3893.29 IU/mg) are even better than some current commercially available therapeutic AAT products. Finally, the simple process and commercial chromatography medium possessing such advantages as low cost, fast linear flow rate, and high resistance to pressure may be suitable for large scale production of AAT.

Purification of carbon nanotubes

2008/12/1High-purity, high yield, low cost, and environmental friendliness are essential. Establishing a CNT purity assessment standard is necessary for evaluating and improving the validity of purification. Without question, the exploitation of efficient CNT purification techniques that can produce high-quality and homogeneous CNTs will greatly facilitate fundamental research and practical

Purifying Naphthalene Using Recrystallization

This lab objective is to purify naphthalene using the method recrystallization. By doing so choosing a good solvent system for crystallizing a solid. As well to evaluate the trades off of recrystallization and then evaluate the purity of a crystals through its melting points.

Oligo Purification Methods: How, Why and for What?

2017/7/18High pressure liquid chromatography (HPLC) also removes failure sequences from your mixture – and guarantees highly purified oligonucleotides. This purification technique purifies large amounts of oligonucleotide at high purity, which represents a strong advantage over the methods mentioned above.

New method to purify cell types to high purity

New method to purify cell types to high purity Back to news Researchers from the group of Alexander van Oudenaarden and Eelco de Koning have developed GateID, a new method that can highly purify a cell type of interest from a tissue, without the use of antibodies or a genetic reporter.

Isolation and purification of oleuropein from olive leaves using

This study provided a method for separating and purifying high purity oleuropein from olive leaves using boric acid affinity resin and a novel solvent system. And the experimental kinetic and adsorption isotherm data of boric acid affinity resin were well–fitted pseudo–first–order kinetic model and Langmuir isotherm model, respectively.

Method for purifying high

The invention relates to a method for purifying high-purity organic solvent methanol.The steps are as follows: through oxidation, reduction and rectification, and filtration and the finished product of high-purity methanol can be obtained. The method adopts methanol of 99.5 percent as a raw material and utilizes the qualitative difference of impurities to purify the impurities containing a

DNA Extraction and Purification

2020/12/5Provides a method to isolate high-molecular-weight DNA with high purity. Fast procedure. The A 260 /A 280 ratios for isolated DNA range from 1.7 to 2.0 [] FastDNA (MP Biomedicals LLC) Plant and animal tissues, cultured cells, bacteria, yeast, fungi, algae

Purification of Cannabidiol from Hemp Oil Using the Prep150 LC

The ACQUITY UPLC H-Class System provided the flexibility to run high-speed (3 minutes) UPLC assays, as well as analytical HPLC method development throughout the process of purifying hemp oil to yield the desired product, Cannabidiol. Keywords 2/3

Method for purifying high

The invention relates to a method for purifying high-purity organic solvent acetonitrile for research, including the steps as below: acetonitrile which is used as a raw material reacts with solid alkali at low temperature so as to eliminate unsaturated nitrile impurities absorbed by high waveband ultraviolet are removed by the adsorption of zeolite and polymeric adsorbent and a 3A molecular

Oligo Purification Methods: How, Why and for What?

2017/7/18High pressure liquid chromatography (HPLC) also removes failure sequences from your mixture – and guarantees highly purified oligonucleotides. This purification technique purifies large amounts of oligonucleotide at high purity, which represents a strong advantage over the methods mentioned above.

A method of purifying intact complement factor H from

The aim of this study was to establish a method of purifying intact complement factor H (CFH) from human plasma. CFH was isolated from human plasma by polyethylene glycol (PEG) precipitation, following three sequential chromatographic columns, which consisted of l-lysine Sepharose column, Resource Q column and Sephacryl S-300 High Resolution HiPrep 16/60 column.

CO2 Technologies (Purification and Recovery)

CO2 recovery plants extract carbon dioxide. Ultrapure, food-grade carbon dioxide is used in the food and beverage industry. The CO2 is mainly recovered from fermentation processes in breweries and distillation plants. CRYOTEC also builds plants for recovering CO2 from waste process gases. In this case the recovered CO2 is used, for example, in the production of methanol.

METHOD FOR PURIFYING SOLID

The present application claims priority of Chinese application No. 201210029818.7, filed to the Patent Office of China on Feb. 10, 2012, titled "method for purifying solid-phase synthetic crude liraglutide", the entire contents thereof are hereby incorporated by reference.

A novel method for purifying bluetongue virus with high

A novel method for purifying bluetongue virus with high purity by co-immunoprecipitation with agarose protein A By Ming Dai, Guoming Bi, Dong-E Chen, Lulu Wang, Changyuan Dong, Zhen Song and Jun Liu No static citation data No static citation data Cite

Size Exclusion Chromatography Method for Purification of

Over 12% of the world's health resources are spent on treating diabetes, as high blood glucose is the third cause of mortality worldwide. Insulin resistance is the basis of the most common form of diabetes: type 2 diabetes. Recent animal studies report successful

Methods for Protein Purification in Biotechnology

2019/11/10The degree of protein purity required depends on the intended end use of the protein. For some applications, a crude extract is sufficient. Other uses, such as in foods and pharmaceuticals, a high level of purity is required. Several techniques for protein purification are used to reach a required purity

New method to purify cell types to high purity

New method to purify cell types to high purity Back to news Researchers from the group of Alexander van Oudenaarden and Eelco de Koning have developed GateID, a new method that can highly purify a cell type of interest from a tissue, without the use of antibodies or a genetic reporter.

Methods for Protein Purification in Biotechnology

2019/11/10The degree of protein purity required depends on the intended end use of the protein. For some applications, a crude extract is sufficient. Other uses, such as in foods and pharmaceuticals, a high level of purity is required. Several techniques for protein purification are used to reach a required purity

Method for purifying high

The invention relates to a method for purifying a high-purity organic solvent-acetone for scientific research, which comprises the following steps that: acetone as the raw material is adsorbed to remove impurities by an adsorption resin, dried to remove water by a drying agent, rectified by a rectifying still, filtered and packaged to obtain a chromatographic grade and pesticide residue grade

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