How to Store Lab Reagents: Dos and Don’ts for Safe Handling

Correct storage of the reagents used in laboratory work is important to get accurate results, improve the shelf life of the products, and for safety measures. Properly storing laboratory materials prevents contamination and minimizes hazardous chemical reactions. In this blog, we will discuss the importance of lab reagent storage, the dos and don’ts of proper storage of lab reagents to help maintain their effectiveness and safety, and tips for effective storage of lab reagents.

What is the Importance of Laboratory Reagent Storage?

Reagents are compounds or chemicals utilized in a laboratory for experiments to perform certain reactions or tests. The effective storage of these substances is key in ensuring their effectiveness without us worrying that they will become dangerous or unstable. Improper storage of these chemicals can lead to contamination, accidents, and degradation that can put at risk the health of laboratory workers along with the credibility of the experiments conducted.

The question now is, what is the best way to store lab reagents? The answer starts with understanding the form of each reagent and following the appropriate storage instructions for the chemical and physical properties of the reagent.

Do’s of Storing Laboratory Reagents

1. Label Containers Clearly

The storage of laboratory reagents relies tremendously on labeling. Reagents are crucial in chemistry, thus, containers must have the name of the reagent or chemical, its concentration, preparation, and expiry dates, as well as security hazard symbols, if any. This serves the great purpose of preventing mistakes from being committed.

2. Store Lab Reagents According to Manufacturer Instructions

Each reagent comes with guidelines upon which the manufacturer will assist in guaranteeing the stability of the reagent. Specific instructions are usually provided on the recommended temperature, humidity, and light for the reagent. Adhering to this reduces the likelihood of damage to the reagent.

3. Use the Right Storage Environment

Ranging from refrigerated conditions to room temperature, a constant temperature must be maintained for temperature-sensitive reagents. The temperature must be stable all through, as checking the storage units regularly to ensure that they monitor and maintain the needed temperatures. Generally, antibodies, enzymes, and other biological reagents need refrigeration.

4. Storage of Reagents Must Be Done in Their Original Containers

Storing reagents in their original containers ensures the best results. These containers are made specifically to prevent the chemicals from being degraded or contaminated. If a reagent must be moved into a different container, make sure that it can close tightly and is suitable to hold the reagent.

5. Usability Requirement Must Be Followed

Two or more chemicals that can react with each other must not be stored in the same place. Acids and bases should never be stored together. Also, flammable materials must never be kept in hot places or too close to oxidizers. The cleanliness and order of the storage area should always be maintained to ensure safety and avoid cross-contamination.

6. Storage Area Must Be Organized, Dry, and Clean

The storage area must be clean, dry, and organized at all times. Moisture and dirt can make reagents impure. An organized environment also makes it easy to locate reagents when they are needed.

Don’ts of Storing Lab Reagents

Reagents Should Not Be Stored at Prohibited Locations

Refrain from placing reagents in places that are not at a constant temperature, like next to windows, fireplaces, or depending on vents or freezers that get opened often. The stability of the reagents is highly affected by these. Furthermore, never place the chemicals near food or drink containers to avoid their contamination.

Avoid Mixing Reagents That Do Not Go Together

Do not combine reagents incorrectly, as they may have undue and dangerous side effects in the long run. For example, flammable liquids should never be stored close to strong oxidizers since their combination can lead to combustion. Therefore, chemicals should always be in their safety compatible criteria.

Avoid Leaving Containers Open or Unsealed

Make sure that the seals are tightly closed on all containers used for reagents, lest they become exposed to air or other contaminants. Keep in mind that opened containers are prone to evaporation, oxidation, and contamination. For volatile reagents or those prone to damage from moisture and air, make use of airtight containers.

Avoid Using Reagents That Have Expired

Using expired reagents can provide inconsistent results and results that are not trustworthy, which may ruin your experiment. Keep track of the expiry date of sensitive chemicals and set reminders to avoid failure, disposing of chemicals as needed.

Avoid Overcrowded Storage Areas

Make sure to store chemicals in a well-organized way. Overcrowded cabinets or shelves can significantly increase the chances of spills, accidentally causing contamination and making retrieval of reagents frantic, so do not overstuff.

Tips for Effective Storage of Lab Reagents

Store lab reagents or chemicals in appropriate cabinets: Strongly flammable acids and bases should be stored in acid/base cabinets, while flammable chemical cupboards are appropriate for flammable reagents.
Use storage bins for smaller reagents: Bins help separate more fragile and volatile reagents from other chemicals, ensuring their safety.
Consider environmental factors: Light-sensitive reagents should be stored in amber glass containers or preferably in dark cabinets.
Ensure proper ventilation: Reagents that are toxic or have volatile fumes should be stored in ventilated places, such as fume hoods.
Monitor temperature: Purchase a refrigerator or freezer with an alarm for temperature-sensitive reagents. The alarm system will warn you if the temperature strays from what was set.

Conclusion

The effectiveness, stability, and safety of substances in a laboratory will depend highly on how lab reagents are stored. Following the practices mentioned in this guide will greatly ensure that the reagents are optimal for use and pose little danger to those who will be in the laboratory. So, what is the best way to store lab reagents? By navigating other safety protocols, requirements, and best practices, you will have yourself a working safe environment not only for you but for everyone who will ever step in.

Whether you are new in research or an experienced scientist, following these strategies for storing laboratory reagents will enhance your laboratory safety and increase the accuracy of your experiments.

Add Supply List

How to Store Lab Reagents: Dos and Don’ts