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What is the best way to store and label laboratory reagents?

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Laboratory reagents are essential for conducting various tests, experiments, and procedures in a laboratory. However, improper storage and labeling of reagents can compromise their quality, safety, and validity, leading to inaccurate results, wasted resources, and potential hazards. Therefore, it is important to follow some best practices to store and label laboratory reagents correctly and efficiently. In this article, you will learn about the factors to consider when choosing storage locations, containers, and labels for your reagents, as well as some tips to maintain and monitor them regularly.

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Mari?lle Wouters

MaterialsXpert and Director at MaterialsXpertise
Arslan Arshad

Medical Laboratory Professional | Public Health Epidemiologist | Global Health Security | Quality Assurance | Biorisk…

1 Storage locations

The first step to store your reagents properly is to choose the right locations for them. Different reagents may have different storage requirements depending on their chemical and physical properties, stability, compatibility, and shelf life. For example, some reagents may need to be stored in a refrigerator, freezer, or cold room to prevent degradation, while others may need to be stored in a dark, dry, or ventilated place to avoid exposure to light, moisture, or heat. You should always consult the manufacturer's instructions, safety data sheets, or other reliable sources to determine the optimal storage conditions for each reagent. You should also avoid storing reagents near sources of ignition, incompatible substances, or direct sunlight, and ensure that the storage areas are clean, organized, and accessible.

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Arslan Arshad

Medical Laboratory Professional | Public Health Epidemiologist | Global Health Security | Quality Assurance | Biorisk Management | Bioethics | One Health | Planetary Health
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Choosing the right storage locations is important. Reagents have different requirements based on their properties, stability, compatibility and shelf life. Some may need refrigeration to prevent decomposition, while others will need a dark, dry, airy place. Refer to the manufacturer’s instructions or safety data sheets for optimal conditions. Avoid storage near hot spots, inconsistencies, or direct sunlight. Ensure a clean, organized and accessible storage area.

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2 Storage containers

The second step to store your reagents properly is to choose the right containers for them. The containers should be made of materials that are compatible with the reagents, resistant to corrosion, leakage, or breakage, and suitable for the storage conditions. For example, some reagents may react with metal, plastic, or glass containers, while others may need to be stored in amber, opaque, or light-resistant containers to protect them from light. You should always use the original containers provided by the manufacturer, or transfer the reagents to appropriate secondary containers if necessary. You should also ensure that the containers are clean, dry, and well-sealed, and avoid using damaged, cracked, or reused containers that may contaminate or compromise the reagents.

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Arslan Arshad

Medical Laboratory Professional | Public Health Epidemiologist | Global Health Security | Quality Assurance | Biorisk Management | Bioethics | One Health | Planetary Health
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Choosing the right containers is important for proper reagent storage. Containers must be material compatible, resistant to corrosion, scratches, breakage, and suitable for storage conditions. Consider working with metal, plastic, or glass, and use amber, opaque, light-tight containers when necessary. Find the original manufacturer's container or transfer it to a suitable second water tank. Make sure containers are clean, dry, and tightly sealed, and avoid using damaged or recycled containers that could compromise reagent integrity.

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3 Storage labels

The third step to store your reagents properly is to label them clearly and accurately. The labels should provide essential information about the reagents, such as their name, concentration, purity, lot number, expiration date, storage conditions, hazards, and precautions. You should always use the original labels provided by the manufacturer, or create your own labels using standardized formats, fonts, colors, and symbols if you transfer the reagents to secondary containers. You should also ensure that the labels are legible, durable, and visible, and avoid using handwritten, faded, or missing labels that may cause confusion or errors.

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Arslan Arshad

Medical Laboratory Professional | Public Health Epidemiologist | Global Health Security | Quality Assurance | Biorisk Management | Bioethics | One Health | Planetary Health
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Clear and accurate labeling is essential for proper reagent storage. Labels should include important information such as name, quantity, purity, lot number, expiration date, storage conditions, hazards and precautions. Use original manufacturer’s labels or be standard when moving secondary containers. Make sure the labels are legible, strong, and visible, and avoid handwritten, faded, or missing labels that could cause confusion or error.

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4 Storage maintenance

The fourth step to store your reagents properly is to maintain them regularly and systematically. You should check the quality, quantity, and condition of your reagents periodically, and discard any reagents that are expired, degraded, contaminated, or unidentified. You should also update the labels with any relevant changes, such as the date of opening, dilution, or aliquoting of the reagents. You should also follow the manufacturer's recommendations, standard operating procedures, or quality control protocols to calibrate, validate, or verify the performance of your reagents before using them.

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5 Storage monitoring

The fifth step to store your reagents properly is to monitor them continuously and effectively. You should use appropriate devices, such as thermometers, hygrometers, or alarms, to measure and record the temperature, humidity, or other parameters of the storage areas, and ensure that they are within the acceptable ranges for your reagents. You should also use inventory management systems, such as spreadsheets, databases, or software, to track and document the usage, location, and availability of your reagents, and avoid overstocking, understocking, or misplacing them. You should also implement safety measures, such as locks, signs, or labels, to prevent unauthorized access, theft, or misuse of your reagents.

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6 Storage benefits

The final step to store your reagents properly is to enjoy the benefits of doing so. By following the best practices to store and label your reagents, you can improve the quality, reliability, and efficiency of your laboratory work, reduce the risks of errors, accidents, or injuries, and save time, money, and space. You can also comply with the regulatory, ethical, and professional standards and guidelines for laboratory management, quality assurance, and improvement, and enhance your reputation and credibility as a laboratory professional.

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7 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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Mari?lle Wouters

MaterialsXpert and Director at MaterialsXpertise
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It is important to follow MSDS / TDS. What is the optimal condition to store an opened container / bottle / cartridge / etc. And how long can it be used without quality loss after first opening ? (Suggestion : write date of first opening on the product)

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What is the best way to store and label laboratory reagents?

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1 Storage locations

2 Storage containers

3 Storage labels

4 Storage maintenance

5 Storage monitoring

6 Storage benefits

7 Here’s what else to consider

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