
( Brand: Vwr ), ( Manufacturer Part Number: 05-869-2 ), ( Model: 05-869-2 1LB ), ( Part Type: Ring ), ( Unit Type: Lb ), ( Country/region Of Manufacture: United States )
The VWR 05-869-2 Fisher Scientific Lead Ring Flask is a versatile and durable laboratory glassware essential, designed to accommodate a wide range of chemical reactions and experiments. Weighing in at 1lb (453.59g), this flask boasts a robust construction, ensuring longevity and reliability in your scientific endeavors.
The flask features a lead ring seal, providing a secure and tight closure to prevent leaks and spills. This lead ring is a traditional material used in laboratory glassware, known for its resistance to corrosion and ability to withstand high temperatures. The flask's neck is equipped with a ground-in stopper, offering added versatility for various lab applications.
The VWR 05-869-2 Fisher Scientific Lead Ring Flask is made of borosilicate glass, which offers superior resistance to thermal shock compared to regular glass. This means you can confidently perform heating and cooling processes without the risk of shattering the flask. The glass's transparency allows for easy observation of chemical reactions, while the flask's cylindrical shape provides ample space for experiments requiring larger volumes.
The base of the flask is flat and wide, providing stability during heating or cooling processes. The flask's dimensions are 7.5 inches (19 cm) in height and 3.5 inches (8.9 cm) in diameter, making it suitable for a variety of lab setups. The VWR 05-869-2 Fisher Scientific Lead Ring Flask is an indispensable tool for chemistry labs, offering durability, versatility, and a traditional yet reliable design that has served scientists for generations.
**Product Review: VWR 05-869-2 Fisher Scientific Lead Ring Flask 1lb**
**Pros:**1. Durable Construction: The flask is made of high-quality borosilicate glass, which is known for its strength and resistance to thermal shock. This makes it ideal for a variety of laboratory applications.
2. Lead Ring Base: The lead ring base provides a stable and secure base for the flask, reducing the risk of it tipping over during use.
3. Large Capacity: With a capacity of 1 pound (approximately 16 ounces or 473 milliliters), this flask is suitable for storing and mixing larger quantities of chemicals.
4. Wide Mouth: The wide mouth allows for easy access, making it easier to add or remove chemicals, and to clean the flask.
**Cons:**1. Weight: Due to its large capacity and heavy-duty construction, this flask is quite heavy. This may make it difficult to handle, especially for prolonged periods.
2. Fragile: Despite its strength, the flask is still glass, and as such, it can break if dropped or mishandled.
3. Expensive: Compared to some other labware options, this flask is relatively expensive.
4. Lead Content: The lead ring base may pose a health risk if it comes into contact with acidic substances. It is recommended to use a non-acidic substance or a lead-free ring base if this is a concern.
**Conclusion:**The VWR 05-869-2 Fisher Scientific Lead Ring Flask 1lb is a robust and versatile labware option, ideal for use in a variety of laboratory applications. Its durability, large capacity, and wide mouth are significant advantages. However, its weight, fragility, high cost, and potential health risks associated with the lead ring base are factors to consider.
**Recommendation:**If you require a large-capacity, high-quality flask for your laboratory work, and the potential health risks associated with the lead ring base are not a concern, this flask could be a good choice for you. If you prefer a lighter, more affordable option, or if you are concerned about lead content, you may want to consider other alternatives. Always ensure to handle all labware with care to prevent breakage and potential health risks.
Fisher Scientific 05-869-2 LEAD RING FLASK WEIGHT 1LB, Excess inventory from local company. Fast shipping. Expedited shipping can be arranged upon request for a nominal charge. Units may have signs of wear, blemishes, scratches, discoloration, dents, etc.