TOC Vials Manufacturers

*Industry Knowledge Development*
TOC (Total Organic Carbon) vials are specialized containers used in analytical chemistry and environmental testing to measure the amount of organic carbon present in a sample. These vials have specific characteristics that make them suitable for TOC analysis. Here are some common characteristics of TOC vials:
1.Material: TOC vials are typically made of high-quality glass or plastic materials that are chemically inert and do not introduce contaminants or interfere with the analysis. Glass vials are commonly used for high-precision applications, while plastic vials offer advantages such as being disposable and shatter-resistant.
2.Capacity: TOC vials come in various sizes to accommodate different sample volumes. The capacity of TOC vials typically ranges from 5 mL to 40 mL, although other sizes may also be available.
3.Septum: TOC vials are equipped with a septum, which is a puncturable membrane that seals the vial. The septum allows for the injection of the sample and the introduction of the carrier gas used in the TOC analysis.
4.Purity: TOC vials are manufactured and cleaned to high purity standards to minimize background contamination and ensure accurate measurements of organic carbon. They are often cleaned and certified for low background TOC levels to prevent false readings.
5.Closure: TOC vials usually have a screw cap or crimp cap closure mechanism to securely seal the vial after sample injection. The closure ensures that there is no sample loss or contamination during analysis.
6.Compatibility: TOC vials are designed to be compatible with TOC analyzers and related equipment commonly used in laboratories. They can withstand the temperature and pressure conditions required for TOC analysis.
7.Labeling: TOC vials may have clear markings or labels on the vial body or cap to provide identification and traceability of samples. This helps in maintaining proper sample records and tracking analysis results.

Proper storage of TOC vials is crucial to maintain the integrity of the samples and prevent contamination. Here's how you can store TOC vials effectively:
1.Cleanliness: Ensure that the vials and the storage environment are clean to avoid any potential contamination. Use lint-free wipes or a clean cloth to wipe down the vials if needed.
2.Labeling: Clearly label each vial with essential information such as the sample ID, date, and any other relevant details. This will help you keep track of the vials and their contents.
3.Cap securely: Ensure that the vials are tightly capped to prevent any air or moisture from entering. This will help maintain the stability of the samples and prevent any degradation.
4.Storage temperature: Store TOC vials at the appropriate temperature recommended for your specific application or analysis. This information can usually be found in the testing guidelines or from the TOC vial manufacturer. Commonly, vials are stored at room temperature, but some samples may require refrigeration or freezing.
5.Protection from light: Some samples may be light-sensitive, so if that is the case, store the TOC vials in an opaque or dark container to protect them from light exposure. Light exposure can lead to degradation or alteration of the samples.
6.Storage containers: Use storage containers specifically designed for vials to keep them organized and protected. These containers can provide additional insulation, shielding from light, and minimize the risk of breakage.
7.Inventory management: Maintain an inventory system or logbook to track the storage location, sample details, and any other relevant information. This will make it easier to retrieve specific vials when needed and avoid misplacement or confusion.
8.Storage duration: Consider the storage duration requirements for your samples. Some samples may need to be analyzed promptly, while others can be stored for a longer period. Be aware of any expiration dates or guidelines provided by the testing protocols.