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Posted by Chrom Tech on 7th Oct 2025

Syringe Filters for HPLC Sample Preparation: A Guide to Choosing the Right Filter for Consistent and Accurate Results

How to Choose the Right Syringe Filter for HPLC Sample Preparation Sample preparation is a critical step in high-performance liquid chromatography (HPLC). One of the most common techniques to ensure r …

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Posted by Chrom Tech on 7th Oct 2025

Pore Size vs. Particle Size in HPLC Columns

When selecting an HPLC column, it's important to understand the key attributes that affect chromatography. Chemical properties, such as stationary phase type and pore size, influence sensitivity an …

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27th Jun 2025

Should I Use a Guard Column

HPLC Columns The column is one of the most crucial components in an LC system, as it is where analytes are separated from a mixture for both qualitative and quantitative analysis. While HPLC colu …

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27th Jun 2025

How Many Injections Can I Get on My HPLC Column?

It depends! Several factors influence how many injections you can perform on your column, including: Injecting "dirty" samples Adhering to the recommended protocols and operating conditions provided …

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29th Jan 2025

EHS Compliance: Safely Manage HPLC Solvent Waste

Many solvents and even samples used in high-performance liquid chromatography (HPLC) can be hazardous and/or flammable. As a result, it’s crucial to minimize health and safety risks to laboratory pers …

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28th Jan 2025

How to Save Money and Increase Accuracy on Sample Prep

Automation can quickly boost throughput and enhance sample preparation accuracy, but it’s typically more common in high-throughput labs. But what about tasks that are too small for full automation but …

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16th Jan 2025

How to Choose the Right Septa for Your Autosampler Vial Closure

When conducting LC and GC analysis, it’s essential to have a suitable container for storing and transporting your samples before injection. Chromatography vials are the most commonly used vessels, ava …

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10th Jan 2025

Should You Use a Glass Pre-Filter Syringe Filter?

Should You be Using a Glass Pre-filter Syringe Filter?Effective sample filtration enhances the quality and consistency of analytical results, while also extending the lifespan of your instrument's rep …

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10th Jan 2025

What is the Smallest Sample Volume You Can Use in 96 Well Plates?

In high-throughput labs, 96-well plates provide numerous benefits compared to chromatography vials, such as cost efficiency and enhanced automation features. Various types of well plates are suited to …

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10th Jan 2025

What Sample Prep is Best for Vitamin D Analysis?

The increasing demand for more sensitive and specific analytical methods is driven by the need for low-level testing of endogenous vitamins and hormones in biological samples. A key example is the ris …

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9th Jan 2025

Safety Waste Compliance in One Easy Step

Improper waste collection and handling of hazardous materials can pose serious risks to both people and property in the lab. While the days of disposing of HPLC solvent waste down the drain are long g …

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9th Jan 2025

Three Reasons You’ll Want to Switch to Agilent Capillary Tubing

Stainless steel tubing is the preferred material for HPLC and UHPLC because it is compatible with a wide range of HPLC solvents and can handle very high pressures. PEEK tubing, on the other …

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9th Jan 2025

Revisiting ‘The Big Pain’

During the pandemic, drug testing facilities were overwhelmed with COVID-19 testing, which caused other types of testing, such as drug screenings, to be deprioritized. As a result, routine employee dr …

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6th Jan 2025

How do Stainless-Steel Fittings Differ from Polymer-Based Fittings?

Stainless-steel and polymer-based fittings are both commonly used in HPLC, each with its own set of advantages and disadvantages. The choice between them depends on the specific application and method …

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6th Jan 2025

Method Transfer between Poroshell and Zorbax HPLC Columns

One of the main advantages of using superficially porous particle (SPP) HPLC columns, compared to fully porous particles, is that they provide the efficiency of sub-2-µm fully porous columns without c …

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20th Dec 2024

How to Connect a Syringe to HPLC Tubing

Connecting a syringe to your LC pump for tasks like priming the system (and other applications) is a common need. We've seen various inventive solutions in laboratories where people have connected the …

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20th Dec 2024

An Essential Guide to HPLC Fittings for Your Laboratory

An Introduction to HPLC FittingsFittings are essential whenever tubing needs to be attached, adapted, or adjusted within the system, making secure connections crucial for successful chromatography. In …

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19th Dec 2024

A Sneak Peak into the Largest HPLC Industry in the World - Biotechnology Applications

Biotechnology is a vast field and one of the largest industries globally, playing a crucial role in food and agriculture, medicine, genetic research, and beyond. The ability to analyze compounds and d …

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19th Dec 2024

Helpful Fluoropolymer Tubing Guide for Your HPLC Applications

What types of tubing are used in the laboratory?In liquid chromatography and other fluidic laboratory applications, there is a broad range of tubing materials, sizes, and specifications to choose from …

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19th Dec 2024

How Do You Dispose of HPLC Waste?

High-Performance Liquid Chromatography (HPLC) is a widely used technique across various industries for separating complex mixtures of known or unknown analytes into individual components. By utilizing …

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16th Dec 2024

Inline Filters vs. Guard Columns for HPLC

Filters, such as inline filters, pre-column filters, and column guards, play a crucial role in protecting analytical columns from damage and premature failure in HPLC systems. Over time, chromatograph …

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16th Dec 2024

How To Make an HPLC Connection With PEEK Tubing

To make an HPLC connection with fingertight fittings, follow these steps: Slide the nut onto the tubing that will be inserted into the port. Place the ferrule onto the tubing just below the nut. For …

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4th Dec 2024

Offline vs. Online Degassing of HPLC Solvents

Gas bubbles and outgassing can significantly impact HPLC performance. Outgassing occurs when the amount of gas exceeds what the HPLC solvent can absorb. The solvent's ability to absorb gas depends on …

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4th Dec 2024

The Role of Chromatography in Cannabis Testing

Cannabis use in the U.S. is expanding rapidly as more states legalize its consumption. With this growth, mandatory testing has become required in many states to ensure consumer safety. The Farm Bill a …

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3rd Dec 2024

Reverse-Phase Liquid Chromatography vs. Hydrophilic Interaction Liquid Chromatography

Liquid chromatography can be performed using various techniques, including reverse-phase and hydrophilic interaction liquid chromatography (HILIC). This method of chromatography involves an HPLC pump …

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3rd Dec 2024

Chromatography Identifies Clinical Classifiers of COVID-19

The COVID-19 pandemic has caused unparalleled challenges worldwide due to the variability in symptoms and rapid transmission. As the virus continues to surge across the U.S., there is an increasing de …

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27th Nov 2024

Capillary Tubing Selection Guide for Agilent HPLC Systems

Chrom Tech is dedicated to simplifying the shopping experience for consumers. Replacing the capillary tubing connections in your HPLC system can seem daunting and complicated.Our guide includes helpfu …

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26th Nov 2024

Reduce PFAS Background Interference and Contamination

According to the EPA, PFAS are long-lasting in both the environment and the human body, and exposure to these substances can result in negative health outcomes. Known as perfluorinated compounds …

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10th Jun 2024

Five Ways to Reduce Costs in Your Chromatography Workflow

How You Can Save Money in Your Chromatography Laboratory Chromatography is a powerful analytical technique, but costs can add up quickly. Lab managers are regularly challenged to keep costs to a min …

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27th Mar 2024

Are Your Autosampler Vials Compromising Your Results?

Exploring the Impact of Vial Quality on HPLC and GC Performance In the world of chromatography, choosing the appropriate instrumentation and accessories is essential for achieving accurate and rel …

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4th Jan 2024

Revolutionizing Your Chromatography | The Power of Poroshell and more

Are you frustrated with increasing backpressures from your current HPLC column? Do you wish you could achieve UHPLC results with HPLC instrumentation? Choosing the proper tools for success is importan …

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3rd Jan 2024

Unlocking the Benefits of Agilent Bond Elut HLB SPE

Discover how Agilent Bond Elut HLB SPE products can revolutionize your sample preparation process and provide optimal results.Understanding the Importance of Sample Preparation Sample prepar …

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