Choosing a Vial For Chromatography

    There are two basic types of chromatography vials: crimp caps and snap caps. Crimp caps are made from plastic or aluminum and feature a PTFE/silicone septum and can be used to reduce evaporation of samples. Snap caps have an opening in the top and are used for short-term storage and don't require any special tools. Whether using a crimp cap or a snap cap is up to the user, but both types are designed to protect the sample from spills, contamination, and evaporation.


    Chromatography vials at www.chromtech.com come in various sizes, materials, and finishes. They are usually designed for separation of different organic and inorganic compounds. Some types have a write-on patch for easy identification. They have a conical interior shape and come in different colors. These colors are important for chromatography as they can enhance sample recovery. To prevent evaporation and ensure the integrity of your sample, look for a vial with an outer diameter of 11mm or larger.


    When choosing Chrom Tech chromatography vials, consider how much the sample you need to analyze. A high-quality vial should be lightweight and easy to ship. A high-quality vial will protect your samples and prevent your facility from losing productivity. In addition, a high-quality vial should be easy to clean, with no residues or smears. And remember to look for amber-colored, light-sensitive samples.


    There are many types of chromatography vials. Choose from a 12x32mm vial, 15x45mm vial, or an 8x40mm vial. Depending on what you need, you can also select a vial with a narrow mouth. For a small sample, you can use a Limited Volume Vial that has a removable or attached glass insert. The glass used to make these vials is non-porous, so there is no chance that they will leach chemicals or contaminants into the sample.


    Choosing the right chromatography vial is not an easy task. There are many options and factors to consider. Listed below are some tips to help you make a good choice for your specific needs. For instance, choose between glass or plastic vials based on your sample type. By choosing the right type, you can be assured of the highest quality chromatography results. So go ahead and select the right chromatography vial.


    Before starting your chromatography project, you should wash the sample vials to ensure that they are clean and clear of any residue. If you need to use chromatographic pure methanol, you should clean the vials at least two times. Then, shake them out thoroughly to remove excess methanol and dry the sample vials. Afterwards, you can proceed with the second experiment. If you have two different projects running at the same time, then you should use a white sample vial for the first project and blue for the second.


    When choosing a chromatography vial, you should be aware of the size and diameter of your instrument. You can use 11 mm screw cap vials for an Agilent autosampler but not a 10mm screw cap. Also, the space between the shoulder of a vial and the cap is different for each instrument. PTFE/silicone vials are typically the preferred choice for chromatography applications. Learn more about chromatography at https://en.wikipedia.org/wiki/Chromatography.


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