News
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Determination of Vitamin K1 in Food
Range of Application and Principle Extract vitamin K1 from low fat plant samples such as fruits and vegetables with isopropanol and n-hexane. Purify Vitamin K1 by prep column and remove... -
Address the Problem of Vaccine Purification
Vaccines, as a hot word in 2020, will be frequently referred for a long time in the future. Vaccination is the most economical and effective public health intervention for the... -
Separation Method of Protein
Proteins exist in tissues or cells as complex mixtures and each type of cell contains thousands of different proteins. However, there is no single method can remove any type of... -
Remove harmful metal ions? Welchrom® Thiol brings help
In the field of pharmacochemistry, the residues of toxic metals in active organisms and active pharmaceutical ingredients are the focus of many experts. In addition, other products also have very... -
Gel Purification Chromatography
Gel Purification Chromatography Gel chromatography is a separation and analysis technology developed in the early 1960s. According to whether the separated objects are water-soluble substances, gel chromatography can be divided... -
Flushing and Regeneration of Reversed-Phase Column
Do you know the maintenance methods of Welch columns? Some people may use the wrong way to flush columns unconsciously, so it is recommended to learn some practical methods for... -
How to Maintain Our Non-Reversed Phase Columns?
Pollution, loss and other problems will inevitably appear during the use of HPLC columns, thus it is necessary to flush column for maintenance at that time. From the point of... -
How Can Polar Compounds be Better Retained?
Reversed-phase columns usually take silica gel, organic/ inorganic hybrid silica gel or polymer as the matrix, while C18 as the bonded phase. Based on the hydrophobic interaction between analytes and... -
New Product Release: Ghost-Buster Column II
One day, analyst Jack started to do his daily experiment according to the order of preparing samples--loading samples--operating-running with empty--waiting for chromatogram. ...... Calm down, it’ s just the ghost... -
Distinction of Related Concepts About Liquid Chromatography
High performance liquid chromatography (HPLC) is a fundamental analytical discipline with many similar concepts. Therefore, it’s necessary for us to learn how to distinguish some easily-confused concepts of liquid chromatography.... -
The principle of 100% water compatible column
There are many kinds of C18 columns in the market, some are 100% water compatible, some are not. Why can they be used at 100% water? How to distinguish? What... -
Chiral Separation of Remdesivir Isomers
2019-nCoV corona virus pandemic is exploding all over the world, how to cure it has become the most important and urgent matter at present. Remdesivir, developed by Gilead, which is...