One type of sample vial that is gaining popularity for its advantages is the linear low-density polyethylene vial with a friction-fit or snap closure. These vials have several features that make them useful for various applications. The 18ml size is a popular option as it can hold a sufficient amount of sample while still being compact and easy to handle.
One of the benefits of linear low-density polyethylene (LLDPE) vials is their durability. Unlike vials made of polystyrene, which can shatter or break easily, LLDPE vials are more resistant to impact and deformation. This makes them ideal for transporting and handling samples without the risk of spillage or contamination.
LLDPE vials are also more resistant to chemicals and solvents, making them suitable for a wide range of applications. They are commonly used for packaging and storing liquids, powders, and solids. They can also be used for pH cups and weighing vessels, as they have a flat bottom and can stand upright on a lab bench or instrument.
One thing to note when using LLDPE vials is their closure type. Some vials have a friction-fit closure, which means the cap snaps into place and stays secure without the need for an additional fastener. Other vials have a snap closure, which requires a little force to close but provides a stronger seal. It's important to choose the closure type that best fits your application and the type of samples being stored or transported.
When it comes to buying LLDPE vials, it's important to consider the brand and supplier. Not all LLDPE vials are created equal, and the quality and consistency can vary. Look for trusted brands that offer reliable and consistent products, and buy from suppliers that have a good reputation for quality and service.
It's also a good idea to stock up on replacement caps for LLDPE vials, especially if you use them frequently or for critical applications. Replacement caps ensure that your samples are always protected and sealed, and prevent contamination or leaks. Make sure to choose the right size and closure type for your vials, such as caps for 18mm vials in GC/GCMS.
In conclusion, LLDPE vials with friction-fit or snap closures are versatile and durable containers that are useful for many laboratory applications. They offer several advantages over other types of vials, such as resistance to impact, chemicals, and solvents. When choosing LLDPE vials and replacement caps, make sure to consider the brand, supplier, closure type, and size. By investing in quality sample vials, you can ensure accurate and reliable results for your tests and experiments.