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80868642
5ml Volumetric Flask, 3.3 Boro Glass, Class A, Ground Stopper, Karter Scientific 252U3 (Pack of 2)
85% of respondents would recommend this to a friend
Nº de artículo:
80868642
USD 17
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Karter Scientific Class A Volumetric Flasks provide improved lab convenience, precise volume measurement, and are manufactured from high quality inert 3.3 borosilicate glass.
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What Stands Out
High Precision
Class A accuracy ensures precise measurements, crucial for scientific experiments and accurate results. This feature meets rigorous laboratory standards, making it essential for professionals and educators alike.
Durable Material
Made from 3.3 borosilicate glass, these flasks withstand thermal shock and chemical corrosion, ensuring long-lasting use in various lab settings while maintaining clarity and reliability during experiments.
Convenient Design
The included ground stopper provides a secure closure, preventing contamination and evaporation. This design enhances usability and effectiveness, allowing smooth handling and better measurement in both educational and professional environments.
Detalles de producto
| Brand Name | Karter Scientific |
| Shape | Cylinder |
| Manufacturer | Karter Scientific |
| Number of Items | 2 |
| Model Number | 252U3 |
| Part Number | 252U3 |
| Unit Count | 2 Count |
| Capacity | 5 ml |
| Material Type | Glass |
| Bottom Shape | Round |
| Specification Met | Astm |
| Material | Glass |
| Brand | Karter Scientific |
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
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Chemistry Students
Ideal for students conducting experiments requiring precise measurements of liquid volumes in educational settings.
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Laboratory Technicians
Perfect for technicians needing accurate volumetric measurements for solution preparation and analysis in labs.
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Hobbyist Chemists
Great for amateur chemists performing home experiments who require reliable measuring tools for their projects.
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Large Volume Needs
Not suitable for users requiring larger volumetric measurements, as it only holds 5ml of liquid.
DESCRIPCIÓN DEL PRODUCTO
5ml Volumetric Flask, 3.3 Boro Glass, Class A, Ground Stopper, Karter Scientific 252U3 (Pack of 2)
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Preguntas y respuestas de los clientes
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Pregunta:
What is a 100ml volumetric flask used for?
Respuesta: A 100ml volumetric flask is primarily used in laboratories for precise measurement of liquids and the preparation of standard solutions. Its narrow neck and calibrated mark allow for accuracy in measuring exact volumes, making it an essential tool in chemistry and biochemistry experiments. For instance, it's commonly employed when creating solutions for titrations or dilution processes, ensuring that measurements are both consistent and precise, which is crucial for experimental integrity. -
Pregunta:
What is the significance of the Class A designation in volumetric flasks?
Respuesta: The Class A designation signifies that the volumetric flask is made to the highest standards of accuracy and precision. This classification means that it meets specific manufacturing tolerances set by regulatory bodies, ensuring the flask provides highly accurate measurements. For scientists conducting critical experiments, using a Class A flask is essential, particularly for analytical chemistry applications where measurement errors can lead to significant deviations in results. -
Pregunta:
What material is the Karter Scientific volumetric flask made of?
Respuesta: The Karter Scientific volumetric flask is constructed from 3.3 borosilicate glass, known for its durability and resistance to thermal shock and chemical corrosion. This makes it particularly suitable for a wide range of laboratory applications, as it can withstand high temperatures and harsh chemicals. Users often choose borosilicate glass flasks for experiments involving acids or other reactive substances, ensuring longevity and accuracy throughout their experiments. -
Pregunta:
Is a ground stopper necessary for a volumetric flask?
Respuesta: Yes, a ground stopper is highly beneficial for a volumetric flask as it provides a secure seal that can prevent contamination and evaporation of the liquid inside. This is particularly important during long experiments, where maintaining sample integrity is crucial. Users often find that a ground stopper allows for both safe storage of solutions and easy mixing, making it an ideal choice for chemical analysis and preparation tasks. -
Pregunta:
How do you properly clean a volumetric flask?
Respuesta: Cleaning a volumetric flask involves using appropriate laboratory cleaning agents or solutions, often followed by rinsing with distilled water to remove any residues. For stubborn residues, an appropriate solvent based on what was contained in the flask can be used. Proper cleaning is vital to ensure no contamination affects future measurements or experiments. Regular maintenance extends the life of the flask and upholds the accuracy required for scientific work. -
Pregunta:
Can you use a volumetric flask for measuring other liquids besides water?
Respuesta: Absolutely! A volumetric flask can measure various liquids, including solvents, acids, or bases, depending on its material resistance. When using it for different substances, it's essential to ensure compatibility with the flask material. For example, a 3.3 borosilicate glass flask is ideal for many organic solvents and reagents, allowing for precise measurements across different scientific disciplines without worry of reacting with the flask itself. -
Pregunta:
What are the advantages of buying a pack of 2 volumetric flasks?
Respuesta: Purchasing a pack of 2 volumetric flasks offers several advantages, including cost savings and convenience. Having an extra flask on hand is beneficial when conducting experiments that require multiple solutions or when immediate cleaning of one flask is not an option. This dual arrangement aids in multitasking during laboratory work, ensuring efficiency and continuity in experiments. -
Pregunta:
Are volumetric flasks only used in academic laboratories?
Respuesta: No, volumetric flasks are widely used in various settings beyond academic laboratories, including industrial research facilities, pharmaceutical labs, and quality control environments. They serve critical roles in product formulation, analysis, and quality assurance across numerous industries. Professionals rely on volumetric flasks for their accuracy and reliability when developing new products or conducting routine quality assessments. -
Pregunta:
Can volumetric flasks be used in teaching laboratories?
Respuesta: Yes, volumetric flasks are commonly used in teaching laboratories. They help students learn about accurate measurement techniques and the importance of precision in scientific experiments. By incorporating volumetric flasks into experiments, educators can emphasize concepts such as solution preparation and concentration calculations, providing hands-on experience in laboratory practices that are essential in scientific education. -
Pregunta:
Where can I buy 100ml Volumetric Flask, 3.3 Boro Glass, Class A, Ground Stopper, Karter Scientific 213W5 Pack of 2?
Respuesta: You can buy the 100ml Volumetric Flask, 3.3 Boro Glass, Class A, Ground Stopper, Karter Scientific 213W5 Pack of 2 from Ubuy. They offer a user-friendly platform for sourcing laboratory equipment and supplies, making it easy to find the specific items you need for your scientific work. Ubuy ensures a reliable shopping experience, providing access to quality products from reputable sellers to cater to various lab needs.
Karter Scientific Volumetric Flasks 252U3 Editorial Review
The Karter Scientific 5ml Volumetric Flask set has received a mix of feedback from users, highlighting both its functionality and some concerns regarding quality. Educators and casual users alike have praised the flasks for their accuracy and affordability—a rare combination in the world of scientific glassware. Many reviews emphasize their suitability for educational purposes, particularly in chemistry classes where precise measurements are crucial for experiments, like making diluted solutions and simple syrups. Several experienced users have noted the flasks' sturdiness against temperature changes, which adds to their versatility in a non-professional setting. Reviewers Consistently mention the reliability of the volume measurement, with reports of both flasks in the pack conforming to stated capacities within the tolerances of too 0.1 mL. Furthermore, the glass stoppers are appreciated for their fit and function, effectively preventing leaks. However, there are also valid criticisms regarding the craftsmanship of the glass. Some customers have noted imperfections, such as scoring and chips, indicating that while the flasks are functional, they may not meet the expectations of those seeking higher-end laboratory glassware. Such discrepancies in size and volume markings also caused some concerns, although many users felt these issues were tolerable given the price point. Overall, the Karter Scientific volumetric flasks are well-regarded for their accuracy and practical use, especially in educational settings, while also presenting some inConsistencies that might concern more discerning users. **
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ventajas
- Accurate measurements within ± 0.1 mL
- Affordable compared to science supply shops
- Suitable for educational purposes and casual use
- Sturdy against temperature changes
- Comes with well-fitting stoppers that prevent leaks
Contras
- Visible imperfections in the glass
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características y beneficios
- Manufactured from high quality 3.3 borosilicate glass.
- Conforms to ASTM and ISO standards for accuracy.
- Flat bottom design for enhanced stability.
- Permanent circular mark for precise volume measurement.
- Resistant to most acid and alkaline solutions.
- Ideal for laboratory convenience and accuracy.
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