PYREX 5630-5 Micro Volumetric Flask Hexagonal Base

( Brand: Pyrex ), ( Manufacturer Part Number: 5630-5 )

Review PYREX Micro Volumetric Flask Class Hexagonal Base Ml

The **Pyrex 5630-5 Micro Volumetric Flask with Hexagonal Base (10 mL)** is a precision-engineered laboratory glassware essential for accurate and reliable liquid measurements in scientific research, pharmaceutical development, and analytical chemistry. Crafted from high-quality borosilicate glass (Type 3.3), this flask exemplifies durability and chemical resistance, ensuring stability across a wide temperature range from -10 C to 300 C, making it ideal for applications involving extreme conditions such as autoclaving, heating, or freezing. The hexagonal base design enhances stability on lab benches, reducing the risk of tipping or accidental spills during use, while its sleek, tapered neck allows for precise pouring and minimizes evaporation losses, a critical consideration in experiments requiring exact volumetric control.

With a nominal capacity of **10 mL**, this micro volumetric flask is perfectly suited for small-scale reactions, titrations, or sample preparations where precision is paramount. The flask s graduated markings are etched directly into the glass, providing clear, easy-to-read calibration points that adhere to strict international standards, ensuring accuracy to within 0.02 mL. The smooth, polished interior surface further prevents liquid retention and contamination, promoting cleanliness and consistency in experimental results. Whether used in routine laboratory procedures or high-precision analytical work, this flask s combination of robustness, clarity, and precision makes it an indispensable tool for researchers and technicians who demand reliability in their measurements. Its compatibility with standard laboratory glassware and accessories ensures seamless integration into existing workflows, while its long-term durability reduces the need for frequent replacements, contributing to both cost efficiency and sustainability in the lab.

### **Pros and Cons of buying a Pyrex 5630-5 Micro Volumetric Flask (10 mL, Hexagonal Base)**

1. **Precision and Accuracy** Volumetric flasks are designed for precise liquid measurements, making them essential in laboratories where accuracy is critical. The 10 mL capacity ensures reliable dispensing of small volumes.

2. **Durability** Pyrex glass is known for its thermal resistance and durability, making it suitable for use in various laboratory conditions, including heating and cooling cycles.

3. **Hexagonal Base Design** The hexagonal base provides stability when placed on a flat surface, reducing the risk of tipping over during use.

4. **Compatibility with Standard Laboratory Equipment** The flask is likely designed to fit standard laboratory glassware adapters, making it versatile for use with pipettes, funnels, and other apparatus.

5. **Long-Term Reliability** High-quality glassware like Pyrex is less prone to cracking or warping over time compared to cheaper alternatives, ensuring consistent performance.

6. **Chemical Resistance** Pyrex is resistant to most common laboratory chemicals, making it suitable for a wide range of applications, including acid-base titrations and solvent storage.

7. **Easy to Clean and Sterilize** Glass is non-porous, allowing for thorough cleaning and sterilization, which is crucial in microbiology and analytical chemistry.

8. **Standardized Calibration** Volumetric flasks are calibrated to deliver a specific volume at a given temperature (usually 20 C), ensuring reproducibility in experiments.

1. **Fragility** Despite its durability, glass can still break if subjected to sudden impacts, thermal shock (e.g., rapid heating or cooling), or rough handling.

2. **Weight** Glass flasks are heavier than plastic alternatives, which can be inconvenient for frequent handling or transport.

3. **Limited Reusability in Some Cases** If the flask is exposed to highly corrosive substances (e.g., hydrofluoric acid), it may degrade over time, reducing its lifespan.

4. **Cost** Compared to plastic or disposable alternatives, high-quality Pyrex glassware is more expensive, which may be a consideration for budget-conscious laboratories.

5. **Potential for Contamination** If not cleaned properly, glassware can harbor residues that may contaminate subsequent experiments, requiring meticulous maintenance.

6. **Not Ideal for High-Pressure Applications** Unlike some plastic or metal alternatives, Pyrex is not designed for high-pressure environments, limiting its use in certain specialized applications.

7. **Breakage Risk in Handling** Due to its rigidity, glass flasks can shatter if dropped or mishandled, posing a safety hazard in busy lab environments.

8. **Limited Flexibility** Unlike flexible plastic containers, Pyrex flasks cannot be easily compressed or deformed, which may be a drawback in certain experimental setups.

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The **Pyrex 5630-5 Micro Volumetric Flask (10 mL, Hexagonal Base)** is a high-quality, precision instrument well-suited for laboratory applications requiring accurate liquid measurements. Its durability, chemical resistance, and stability make it a reliable choice for routine use in chemistry, biology, and analytical labs. However, its fragility, weight, and cost may be drawbacks depending on the specific needs of the user.

- You require precise volumetric measurements in a laboratory setting.

- You need a durable, long-lasting glassware solution for standard chemical procedures.

- Stability (due to the hexagonal base) is important to prevent spills.

- You are working with substances that require glass compatibility (e.g., organic solvents, acids, or bases).

- You frequently handle fragile or corrosive substances that may damage glass (e.g., hydrofluoric acid or strong oxidizers).

- You need lightweight, disposable, or flexible containers for certain experiments.

- Your budget is limited, and you can tolerate slightly less precision from plastic volumetric flasks.

For most standard laboratory applications, this Pyrex flask is a **strong recommendation** due to its reliability and precision. However, always ensure proper handling and storage to maximize its lifespan.

Details:

Shipped with USPS Priority Mail. PYREX 5630-5 Micro Volumetric Flask, Class A, Hexagonal Base, 10 mL. Condition is Used.

part #: 56305 prices

• $16.00-$20.00

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