
( Brand: Four Es Scientific ), ( Manufacturer Part Number: 20220909 ), ( Model: 90119007 ), ( Part Type: Vial ), ( Color: Amber ), ( Itemheight: 45 ), ( Itemlength: 15 ), ( Packageheight: 84 ), ( Packagelength: 238 ), ( Packageweight: 18 ), ( Packagewidth: 211 ), ( Size: 4 Ml Amber ), ( Numberofitems: 100 )
The **ES Scientific 20220909 Pack of 4 mL Amber Dram Sample Vials** represents a meticulously engineered solution for laboratories and research facilities requiring reliable, high-quality storage for sensitive compounds, biological samples, or chemical reagents. These vials are crafted from **amber-colored glass**, a material renowned for its superior light-blocking properties, which effectively shields contents from ultraviolet and visible light critical for preserving the integrity of light-sensitive substances such as vitamins, pharmaceuticals, antioxidants, and certain organic compounds prone to degradation when exposed to light. The **4 mL capacity** strikes an optimal balance between sample volume and practicality, accommodating a wide range of applications from small-scale experiments to routine sample analysis without unnecessary waste. Each vial is equipped with a **standard 20/30 mm ground glass stoppered closure**, ensuring an airtight seal that minimizes evaporation, contamination, and oxidation, thereby extending the shelf life of stored materials. The **dram-style design** enhances usability, allowing for easy handling and compatibility with standard laboratory equipment, including vortex mixers, centrifuges, and automated liquid handlers. Constructed from **borosilicate glass (Type I)**, these vials exhibit exceptional chemical resistance, thermal stability, and durability, making them suitable for both ambient and refrigerated storage conditions. The **packaging** is designed for convenience, offering a compact yet organized solution for laboratories that require a consistent supply of sterile, pre-sterilized vials ready for immediate use. Whether used for sample collection, storage of reference materials, or experimental workflows, these vials exemplify precision engineering and reliability, ensuring that researchers can focus on their work with confidence in the protection and preservation of their valuable samples.
### **Pros and Cons of Buying ES Scientific 20220909 Pack (4ml Sample Vials, Amber, Dram Size)**
#### **Pros:**1. **High-Quality Materials** Amber glass is ideal for storing light-sensitive compounds, preventing degradation from UV exposure, which is crucial for sensitive samples like essential oils, pharmaceuticals, or chemical reagents.
2. **Durability** Dram-sized vials (typically around 4ml) are sturdy and designed for repeated use, reducing the risk of breakage during handling or storage.
3. **Sealed and Sterile** The vials likely come with secure caps (e.g., PTFE-lined or rubber-sealed), ensuring sample integrity and preventing contamination.
4. **Versatility** Suitable for a wide range of applications, including laboratory testing, sample storage, or small-scale production.
5. **Cost-Effective for Bulk Use** Purchasing in bulk (as suggested by the "pack" designation) can be more economical than buying individual vials.
6. **Compatibility with Lab Equipment** Many lab systems (e.g., centrifuges, shakers) are designed to accommodate standard vial sizes, making these vials widely compatible.
7. **Brand Reputation** ES Scientific is a well-known supplier in the lab and analytical chemistry sectors, often associated with reliable quality control and customer support.
#### **Cons:**1. **Potential for Contamination** Even with sealed caps, improper handling (e.g., touching the interior) can introduce contaminants. Sterility may not be guaranteed unless explicitly stated.
2. **Limited Volume** 4ml vials are small, which may not be practical for large-scale storage or experiments requiring higher quantities.
3. **Cost for Small Quantities** If you only need a few vials, purchasing a bulk pack may not be cost-effective, and you might end up with excess inventory.
4. **No Customization** These are standard vials; if you require specific labels, markings, or modifications (e.g., different cap types), additional costs or custom orders may be necessary.
5. **Storage Space Requirements** Bulk vials occupy significant storage space, which could be a concern if shelf space is limited.
6. **Potential for Glass Breakage** While durable, glass vials can still shatter if dropped or mishandled, posing a risk in lab environments.
7. **Dependence on Supplier Reliability** If ES Scientific experiences delays in shipping or quality issues, it could disrupt your workflow.
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### **Conclusion**
The **ES Scientific 20220909 Pack of 4ml amber dram vials** is a practical choice for laboratories, researchers, or professionals requiring reliable, light-resistant storage for small samples. The amber glass ensures sample stability, while the durable design and bulk packaging offer convenience and cost savings for frequent users. However, buyers should weigh the need for quantity against storage constraints and potential contamination risks. If you require only a few vials or need custom features, alternative suppliers or smaller quantities may be more suitable.
### **Recommendation**
- **Buy if:** You need a large quantity of high-quality, amber glass vials for long-term sample storage in a lab setting, and durability is a priority.
- **Consider alternatives if:** You require smaller quantities, custom labeling, or additional features (e.g., screw caps, specific sizes).
- **Verify before purchasing:** Check for sterility guarantees, return policies, and whether the vials meet your specific application needs (e.g., compatibility with your lab equipment).
For most laboratory or analytical chemistry applications, this pack is a solid investment, provided you account for storage and usage requirements. If budget or space is a constraint, explore smaller bulk options or alternative suppliers.
High Quality: These sample vials are made of high-quality brisket glass, low content free ions, coefficient expansion, and very high chemical Resistance. It is suitable for containing all inject able preparations with acid, alkaline pH. Selling with Value. Bottle height without cap: 45mm, bottle diameter: 13mm.
Widely Applications: Great for storing liquids, powder, seeds, specimen, etc. No Leak: The cap comes with a PE pad, which combined the threaded spout, better prevents liquid from leaking or evaporating. Resistant High Low Temp: Acceptable temperature range for the bottle body: 4 to 932, also can be placed in microwave. Cap diameter: 16mm, cap height : 10mm.
Package include: 100 PCs brisket glass vials,100 black PP caps.