...
Skip to content
uhplcs logo 2023

Guard Column for Preparative HPLC Column

Preparative Guard Column OEM Supplier

High-performance liquid chromatography (HPLC) is a powerful analytical technique used to separate, identify, and quantify components of a mixture. The technique involves using a mobile phase (solvent) and a stationary phase (packed column) to separate the components based on their physicochemical properties. However, some of the components in the mixture may interact with the stationary phase or degrade over time, leading to reduced column performance and inaccurate results.

To prevent this, preparative guard columns are often used in HPLC. A guard column is a short, narrow-diameter column placed before the analytical column. The purpose of the guard column is to protect the analytical column from sample components that may degrade the column or cause fouling.

Preparative guard columns are particularly useful in HPLC because they protect the analytical column from contamination, prolonging its useful life and preventing the need for frequent replacement. Preparative guard columns are typically filled with the same packing material as the analytical column to ensure they provide similar selectivity and retention. They are also designed to handle higher sample loads and flow rates than the analytical column, ensuring that the sample components are effectively separated before they reach the analytical column.

The preparative guard column is often connected to the analytical column using a union, allowing easy replacement without requiring complete disassembly of the HPLC system. Preparative guard columns are available in various sizes and lengths to suit different HPLC applications and can be made from different materials to provide compatibility with various solvents and samples.

In summary, preparative guard columns are a valuable tool in HPLC that protect the analytical column from sample contamination and prolong its useful life. They are designed to handle higher sample loads and flow rates and are available in various sizes and materials to suit different applications. By using a preparative guard column, HPLC users can improve the accuracy and reproducibility of their results while reducing the need for costly column replacements.

Contact Us For Excellent Service

Proin ullamcorper pretium orci. Donec nec scelerisque leo. Nam massa dolor imperdiet nec consequata congue idsem. Maecenas malesuada faucibus finibus.

Main Features

Preparative guard columns in HPLC have several key features that make them an important tool for protecting and prolonging the life of the analytical column. These features include:

  1. Protection: Preparative guard columns are designed to protect the analytical column from sample components that may degrade the column or cause fouling. They effectively remove contaminants and prevent them from reaching the analytical column.
  2. Compatibility: Preparative guard columns are made from materials compatible with various solvents and samples. It ensures that the guard column does not interact with the sample and affects the separation performance.
  3. Selectivity: Preparative guard columns are typically filled with the same packing material as the analytical column to ensure similar selectivity and retention. The guard column helps separate the sample components effectively before they reach the analytical column.
  4. Capacity: Preparative guard columns are designed to handle higher sample loads and flow rates than the analytical column. It ensures that the sample components are effectively separated before they reach the analytical column.
  5. Easy replacement: Preparative guard columns are often connected to the analytical column using a union, allowing easy replacement without requiring complete disassembly of the HPLC system. It makes maintenance and column replacement much more convenient and cost-effective.

Overall, the main features of preparative guard columns in HPLC are their protection capabilities, compatibility with a wide range of solvents and samples, selectivity, capacity, and ease of replacement. By using a preparative guard column, HPLC users can improve the accuracy and reproducibility of their results while reducing the need for costly column replacements.

Trust us by Certifications & Patent

Duis condimentum nunc metus, maximus porta velit temporin. Intincidunt leo viverra, sodales ex eu, posuere purus. Duis in augue vestibulum, aliquet nulla vitae, tempus tellus. Phasellus sit amet scelerisque quam, vitae vulputate massa. Sed tempus consequat nisi eu tristique scelerisque.

0
Country Export
0
Production Area
0
Staff
0
Low MOQ
0
Production Time

Effective OEM Service

If you have a special HPLC project that requires the highest level of precision and accuracy, you need to ensure that your analytical column is well-protected from sample contamination and degradation. That’s where OEM preparative guard columns come in.

High Quality HPLC Column 316L, 316 Stainless Steel Tube Materials

Design New HPLC Columns 100% As Clients Request

Make HPLC Column Samples And Test Before Mass Products.

What Clients Say

Contact Salesman

Interested in optimizing your preparative HPLC setup? Contact our knowledgeable sales team today to learn more about our high-quality preparative guard columns. Our experts are standing by to help you choose the right solution for your unique needs. Don’t miss out on the opportunity to enhance your HPLC system and achieve more accurate results. Contact us now to get started!

High Quality HPLC Column 316L, 316 Stainless Steel Tube Materials

Design New HPLC Columns 100% As Clients Request

Make HPLC Column Samples And Test Before Mass Products.

HPLC Column FAQ

Need Help ?

Contact uHPLCs Today for Any Questions for HPLC / UHPLC 

+(86) 0755-28502380

sales@uhplcs.com

Contact Us

Recent Posts

HPLC Applications in Pharmaceutical Industry

Preparative guard columns in HPLC have a wide range of applications in various industries, including pharmaceuticals, biotechnology, food and beverage, environmental analysis, and more. Here are a few examples:

  1. Pharmaceutical industry: Preparative guard columns are commonly used in the purification and separation of complex drug compounds, such as peptides and proteins. The guard column can protect the analytical column from degradation and fouling, and its high capacity allows for the processing of larger sample volumes.

  2. Biotechnology: Preparative guard columns are often used in the separation and purification of large biomolecules, such as DNA, RNA, and proteins. The guard column can improve the resolution of complex mixtures and protect the analytical column from contamination.

  3. Food and beverage: Preparative guard columns can be used in the analysis and purification of food and beverage products, such as vitamins, amino acids, and flavor compounds. The guard column can improve the separation of complex mixtures and protect the analytical column from matrix interference.

  4. Environmental analysis: Preparative guard columns can be used in the analysis and purification of environmental samples, such as water and soil. The guard column can remove matrix interferences and improve the separation of target analytes.

  5. Research and development: Preparative guard columns can be used in a wide range of research and development applications, including the synthesis and purification of organic compounds, natural products, and synthetic peptides. The guard column can protect the analytical column from degradation and increase the throughput of the HPLC system.

Overall, preparative guard columns in HPLC have a wide range of applications in various industries and can help improve the accuracy, precision, and efficiency of HPLC analysis and purification.

How It Works ?

Frequently Asked Questions

Duis condimentum nunc metus, maximus porta velit temporin. Intincidunt leo viverra, sodales ex eu, posuere purus. Duis in augue vestibulum, aliquet nulla vitae, tempus tellus. 

A: A preparative guard column is a protective column used in HPLC to extend the life of the analytical column and improve the separation of target analytes.

A: A preparative guard column is installed in front of the analytical column in HPLC systems to protect it from contaminants, matrix interferences, and sample overload.

A: The benefits of using a preparative guard column include extended lifetime of the analytical column, improved separation of complex mixtures, higher throughput, and reduced need for column replacements.

A: The choice of preparative guard column depends on the specific requirements of your HPLC system, including column type, particle size, pore size, and stationary phase chemistry.

A: Preparative guard columns are installed in front of the analytical column in the HPLC system using a guard column holder.

A: Preparative guard columns should be replaced when they become saturated with contaminants or when their performance degrades.

A: Yes, a preparative guard column can improve the resolution of target analytes by removing matrix interferences and protecting the analytical column from fouling and degradation.

A: Yes, preparative guard columns can be used for the purification of large biomolecules, such as proteins and peptides, by protecting the analytical column from degradation and increasing the throughput of the HPLC system.

A: Yes, a preparative guard column can be used in combination with a pre-column filter to further protect the analytical column from contaminants and matrix interferences.

A: The cost of a preparative guard column for HPLC depends on various factors, including column type, particle size, and stationary phase chemistry. Generally, they can range from a few hundred to several thousand dollars.

Hotsale HPLC Products

Contact

Email: sales@uhplcs.com
Phone: +86 0755 28502380
51-3, Fu 'an West Road, Pinghu Street, Longgang District, Shenzhen City, 518111 China
We Will Send Back Your Inquiry Within 48-Hours

Can’t Get Enough?

Get More Information and Quotation
for Our HPLC Column Hardware Today !

Subscribe for exclusive offers and updates on new arrivals

Seraphinite AcceleratorOptimized by Seraphinite Accelerator
Turns on site high speed to be attractive for people and search engines.