Features & Benefits
- 58 x 68cm Grade 2
- Used in qualitative analytical techniques
- General filtration in the 8µm particle size range
- More absorbent than Grade 1
- Can hold soil nutrient in plant growth trials
- 100 sheets per pack
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Item #:
85449604
Whatman 1002-931 Quantitative Filter Paper Sheet, 8 Micron, 21 s/100mL/sq inch Flow Rate, Grade 2, 680mm Length x 580mm Width (Pack of 100)
Item #:
85449604
NAD 11192
Price Details
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More absorbent than Grade 1; for example, it is able to hold soil nutrient in plant growth trials.
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What Stands Out
High Filtration Precision
With an 8-micron pore size, this filter paper ensures accurate separation and efficient retention of fine particles, making it ideal for precise quantitative analysis in laboratories.
Enhanced Flow Rate
Offering a flow rate of 21 s/100mL/sq inch, this filter paper allows for quicker filtration processes, enhancing productivity and efficiency in various applications.
Large Dimensions
At 680mm x 580mm, the large size of this filter paper is perfect for extensive filtering tasks, accommodating larger samples while providing excellent quality and durability throughout its use.
Product Details
Who Should Buy?
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Laboratory Use
Ideal for laboratories conducting quantitative analysis requiring precise filtration for liquids in various experiments.
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Educational Institutions
Beneficial for schools and universities in chemistry or biology labs for hands-on learning in filtration techniques.
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Environmental Testing
Useful for environmental scientists analyzing water or soil samples with accurate filtration to prevent contamination.
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Household Use
Not suitable for general household tasks as its design focuses on specialized laboratory applications rather than everyday needs.
Product Description
Whatman 1002-931 Quantitative Filter Paper Sheet, 8 Micron, 21 s/100mL/sq inch Flow Rate, Grade 2, 680mm Length x 580mm Width (Pack of 100)
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Customer Questions & Answers
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Question:
What is the pore size of the Whatman 1002-931 filter paper?
Answer: The Whatman 1002-931 filter paper has a pore size of 8 microns. This size allows for effective separation of particulates from liquids, making it ideal for quantitative analysis in laboratories. Smaller pore sizes can filter finer particles, while larger pores allow for faster flow rates, making this grade versatile for both clarity and efficiency. It is commonly used in applications such as gravimetric analysis, where precision is crucial. -
Question:
What applications can I use the Whatman 1002-931 filter paper for?
Answer: The Whatman 1002-931 filter paper is well-suited for various applications, including filtration of particulate matter from liquids, clarifying solutions in chemistry, and collecting precipitates in gravimetric analysis. Its Grade 2 classification ensures that it retains most moderately-sized particles while allowing for a reasonable flow rate, making it an excellent choice for laboratory environments where accurate results are paramount. -
Question:
What is the flow rate of the Whatman 1002-931 filter paper?
Answer: The Whatman 1002-931 filter paper has a flow rate of approximately 21 seconds per 100 mL at standard atmospheric conditions. This rate strikes a balance between efficient filtration and adequate separation of particulates, which is crucial in laboratory settings. Understanding flow rate is significant for planning experiments, as it directly affects the timing and processing of samples. -
Question:
How thick is the Whatman 1002-931 filter paper?
Answer: The Whatman 1002-931 filter paper features a substantial thickness that ensures durability while providing effective filtration. The thickness contributes to its mechanical strength, allowing it to handle various liquids without tearing or losing structural integrity. This characteristic is particularly beneficial when working with viscous solutions or when multiple filtrations are needed within a single experiment. -
Question:
Is the Whatman 1002-931 filter paper acid-resistant?
Answer: The Whatman 1002-931 filter paper is not specifically characterized as acid-resistant, thus it's advisable to check compatibility based on the chemicals being used. Generally, it can handle most aqueous solutions, but for strong acids or bases, consider performing a compatibility test or using a filter designed for harsher chemical environments. Selecting the appropriate filter paper helps avoid damage and ensures accurate filtration. -
Question:
Can the Whatman 1002-931 filter paper be used for environmental testing?
Answer: Yes, the Whatman 1002-931 filter paper is ideal for environmental testing, as it can effectively filter out particulate contaminants from water and soil samples. Its high-quality fiber composition ensures that it can capture the necessary sediment without breakdown during use. It’s commonly utilized in environmental laboratories for analyzing water quality, thus aiding in assessments related to pollution and ecosystem health. -
Question:
How should I store the Whatman 1002-931 filter paper?
Answer: To maintain the integrity of the Whatman 1002-931 filter paper, store it in a cool, dry place away from direct sunlight. Additionally, keeping it sealed in its original packaging helps protect it from moisture, dust, and chemical contamination. Proper storage ensures that the filter paper retains its filtering capabilities and provides reliable results when used in experiments. -
Question:
How many sheets are included in a pack of Whatman 1002-931 filter paper?
Answer: Each pack of Whatman 1002-931 filter paper contains 100 sheets. This quantity allows for extended use in laboratory settings without the need for frequent replenishment. It’s advantageous for research institutions or businesses that require consistent filtration solutions over time, ensuring they have enough supply to meet the demands of ongoing projects. -
Question:
What is the size of each sheet of the Whatman 1002-931 filter paper?
Answer: Each sheet of the Whatman 1002-931 filter paper measures 680 mm in length and 580 mm in width. This oversized format allows for versatile applications, enabling users to cut sheets to the desired size as needed. The larger size is particularly useful for filtration apparatus that require greater surface area, ensuring fast and efficient filtration for a variety of liquid samples. -
Question:
Where can I buy whatman 1002-931 quantitative filter paper in Namibia?
Answer: You can purchase the Whatman 1002-931 quantitative filter paper sheet at Ubuy. Ubuy is a reliable online platform that offers a wide range of laboratory supplies, including this specific filter paper. With Ubuy, you can explore various purchasing options, making it convenient to acquire the products you need for your laboratory or research applications.
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Pros
- High filtration efficiency
- Durable and reliable
- consistent quality
- Good flow rate
- Suitable for various applications
Cons
- Some users find it a bit thick.
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NAD 11192
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