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Item #:
90823233
Whatman 4712B20PK 1001070 Quantitative Filter Paper Circles, 11 m, 10.5 s/100 ml/sq in Flow Rate, Grade 1, 70 mm Diameter (Pack of 100)
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Item #:
90823233
UYU 1671
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Most widely used general purpose laboratory filter paper.
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What Stands Out
High Purity
This filter paper is designed for quantitative analysis, providing consistent and accurate results with minimal contamination, perfect for laboratories requiring precision in their experiments.
Optimal Flow Rate
With a flow rate of 10.5 s/100 ml/sq in, this filter paper ensures efficient filtration, saving time and improving throughput in laboratory processes compared to slower alternatives.
Versatile Size
The 70 mm diameter circles fit a variety of filtration setups, making them adaptable for different applications, thus meeting diverse laboratory needs without compromising on quality or performance.
Product Details
Who Should Buy?
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Laboratory Technicians
Ideal for precise filtration in laboratories requiring consistent quality and reliable performance in analytical applications.
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Educational Institutions
Great resource for chemistry and biology classes needing practical filtration solutions for experiments and demos.
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Research Scientists
Supports various research applications where accurate filtration is critical for obtaining clear results and data integrity.
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General Household Use
Not suited for common home tasks or casual projects requiring standard paper products for cleaning or filtering.
Product Description
Whatman 4712B20PK 1001070 Quantitative Filter Paper Circles, 11 m, 10.5 s/100 ml/sq in Flow Rate, Grade 1, 70 mm Diameter (Pack of 100)
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Customer Questions & Answers
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Question:
What is the pore size of Whatman 4712B20PK Quantitative Filter Paper?
Answer: The Whatman 4712B20PK Quantitative Filter Paper has a pore size of 11 µm. This specification allows for efficient filtration, particularly of fine particulate matter and precipitates in labs. Utilizing filter paper with the correct pore size is crucial for accurate results in quantitative analysis, where retaining specific particles while allowing liquids to pass through is essential. For example, in a chemical experiment, this filter paper can be used to isolate precipitates for weighing or further analysis. -
Question:
What are the dimensions of the Whatman 4712B20PK filter paper circles?
Answer: The Whatman 4712B20PK filter paper circles have a diameter of 70 mm. The specific size is designed to fit standard laboratory equipment, making it practical for various filtering applications. Proper sizing ensures that the filter paper fits securely within funnels or filter holders, avoiding leaks and ensuring effective filtration. In practice, researchers often use these circular papers in setups requiring precise filtration volume, such as gravimetric analysis. -
Question:
What is the flow rate of the Whatman 4712B20PK filter paper?
Answer: The flow rate of the Whatman 4712B20PK filter paper is 10.5 seconds per 100 ml per square centimeter. This flow rate indicates how quickly liquids can pass through the filter under standard conditions, which is an important factor in time-sensitive experiments. A consistent flow rate is vital in laboratories to ensure accurate and reproducible results during filtration processes particularly when separating solids from liquids in various chemical analyses. -
Question:
What applications are suitable for Whatman 4712B20PK filter paper?
Answer: The Whatman 4712B20PK filter paper is ideal for quantitative analysis, such as gravimetry and routine analytical work in laboratories. Its Grade 1 classification denotes a low ash content and high purity, making it suitable for applications where the results must be as accurate as possible. Common use cases include filtering particulate matter in water quality tests and separating solid samples for further evaluation in research and quality control labs. -
Question:
Is the Whatman 4712B20PK filter paper pre-cut for convenience?
Answer: Yes, the Whatman 4712B20PK filter paper circles come pre-cut for convenience, allowing for immediate use without the need for additional preparation. This saves time in laboratory settings where efficiency is key. Researchers and technicians appreciate the pre-cut design since it allows for a seamless workflow, particularly in high-volume testing scenarios where multiple samples need to be processed efficiently. -
Question:
How do you store Whatman 4712B20PK filter paper to maintain quality?
Answer: To maintain the quality of Whatman 4712B20PK filter paper, it is recommended to store it in a cool, dry place, away from direct sunlight and moisture. Proper storage conditions help prevent contamination and degradation of the paper’s filtering properties, ensuring reliable performance when used. Users should also avoid exposing the filter paper to volatile chemicals or environments that could compromise its integrity. -
Question:
Can Whatman 4712B20PK filter paper be used in both hot and cold liquid applications?
Answer: Yes, the Whatman 4712B20PK filter paper is versatile enough to be used in both hot and cold liquid applications, making it suitable for a range of laboratory procedures. While the paper is designed to withstand typical temperatures encountered in laboratory work, it is always advisable to check compatibility with specific solvents or chemicals to prevent degradation. It's frequently used in processes like hot filtration where immediate separation is necessary. -
Question:
What makes Whatman 4712B20PK filter paper suitable for quantitative analysis?
Answer: Whatman 4712B20PK filter paper is designed with low ash content and a consistent pore size, which makes it ideal for quantitative analysis. These properties ensure minimal interference with the sample being analyzed, providing accurate and repeatable results. Researchers conducting gravimetric analysis rely on the purity and defined specifications of this filter paper to achieve precise measurements of solid residues. -
Question:
What is the ash content of Whatman 4712B20PK filter paper?
Answer: The Whatman 4712B20PK filter paper features a low ash content, which is crucial for applications where contaminants must be minimized. Low ash content ensures that the filter does not contribute additional mass to the results of sensitive analyses. In quantitative experiments, maintaining low levels of extraneous materials allows for more accurate weight measurements when collecting and analyzing samples. -
Question:
Where can I buy Whatman 4712B20PK 1001070 Quantitative Filter Paper Circles in Uruguay?
Answer: You can purchase the Whatman 4712B20PK 1001070 Quantitative Filter Paper Circles from Ubuy in Uruguay. Ubuy is a leading e-commerce platform that offers a wide range of laboratory supplies, including high-quality filter papers. Shopping on Ubuy ensures you have access to authentic products with reliable service tailored for your needs.
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Features & Benefits
- Grade 1 quantitative filter paper for reliable results.
- 11 μm particle retention for effective filtration.
- Quick flow rate of 10.5 s/100 ml/sq in for efficiency.
- Convenient 70 mm diameter for versatile use.
- Pack of 100 ensures you have plenty on hand.
- Ideal for a variety of laboratory applications.
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