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Item #:
11365283
Whatman 1005-042 Qualitative Filter Paper Circles, 2.5 Micron, 94 s100mLsq inch Flow Rate, Grade 5, 42.5mm Diameter Pack of 100
Item #:
11365283
MWK 105504
Price Details
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Order now and get it around Thursday, July 02
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An excellent clarifying filter for cloudy suspensions and ideal for water and soil analysis.
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What Stands Out
Efficient Filtration
With a 2.5 micron rating, these filter papers effectively remove fine particulate matter, ensuring high clarity in filtrates for laboratory processes.
Optimal Flow Rate
Designed for a 94 s/100mL/sq inch flow rate, it ensures quick filtration without clogging, enhancing productivity in various applications.
Convenient Pack Size
Sold in packs of 100, these 42.5mm filter circles allow for bulk purchasing, making them cost-effective and ensuring availability for frequent lab use.
Product Details
| Item Weight | 0.53 lbs (240 grams) |
Who Should Buy?
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Laboratory Technicians
Ideal for laboratory technicians needing precise filtering for qualitative analysis and chemical experiments.
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Educational Institutions
Beneficial for schools and universities conducting experiments in chemistry or biology classes for effective filtration.
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Research Facilities
Great for research facilities requiring reliable filter paper for various liquid filtration processes in studies.
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Home Use
Not suited for typical home filtering tasks; specialized use in laboratories limits practicality for general home needs.
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High-Volume Filtration
May not handle high-volume filtration efficiently due to slower flow rates compared to larger filters.
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Heavy Particle Filtration
Less effective for separating larger particles or solid waste due to its fine 2.5-micron pore size.
Product Description
Whatman 1005-042 Qualitative Filter Paper Circles, 2.5 Micron, 94 s100mLsq inch Flow Rate, Grade 5, 42.5mm Diameter Pack of 100
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Customer Questions & Answers
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Question:
What is the primary use of Whatman 1005-042 Qualitative Filter Paper Circles?
Answer: The Whatman 1005-042 Qualitative Filter Paper Circles are primarily used for the filtration of particulates in a variety of laboratory and industrial applications. With a pore size of 2.5 microns, these filter papers are ideal for applications like qualitative analysis, where precise filtering is necessary to separate particles from liquids. They are commonly used in chemistry, environmental testing, and food and beverage industries for ensuring quality control. -
Question:
What is the significance of the 2.5 micron pore size in these filter papers?
Answer: The 2.5 micron pore size in Whatman 1005-042 filter papers makes them suitable for effectively capturing smaller particles while allowing the passage of liquids. This precise pore size is particularly important in analytic and preparative processes where the integrity of the sample must be maintained, making these filter papers an excellent choice for applications like microbiological analysis and sample preparation in laboratories. -
Question:
What does the 'Grade 5' classification indicate for these filter papers?
Answer: The 'Grade 5' classification of Whatman 1005-042 filter papers indicates a medium retention capacity, suitable for a broad range of applications. Grade 5 filter papers are versatile and can be used for a variety of tasks, from routine filtration to specialized analytical techniques. This makes them ideal for laboratories requiring consistent quality and performance across different types of samples. -
Question:
Can Whatman 1005-042 Filter Paper Circles be used for environmental testing?
Answer: Yes, Whatman 1005-042 Filter Paper Circles are an excellent choice for environmental testing. The 2.5 micron pore size is well-suited for capturing suspended solids in water samples, thus making them ideal for assessing water quality in various environments. Their reliable performance helps ensure accurate results in environmental studies and assessments, which is crucial for regulatory compliance. -
Question:
How do I properly store the Whatman 1005-042 filter papers?
Answer: To maintain the integrity of the Whatman 1005-042 filter papers, store them in a cool, dry place away from direct sunlight and moisture. Keeping them in the original packaging until ready for use helps protect them from contamination and degradation. Proper storage ensures that the filter papers retain their filtration properties when you need to use them for laboratory tasks. -
Question:
What is the flow rate of the Whatman 1005-042 filter papers, and why is it important?
Answer: The Whatman 1005-042 filter papers have a flow rate of 94 s/100mL/sq inch. This flow rate is significant as it indicates how quickly liquid can pass through the filter paper while ensuring adequate filtration. A good flow rate is crucial for laboratory efficiency, particularly in high-throughput environments where speed and reliability in filtration are paramount. -
Question:
What types of liquids can be filtered using these filter papers?
Answer: Whatman 1005-042 filter papers are versatile and can filter a wide range of liquids, including water, solvents, and various laboratory reagents. Their design allows for efficient filtration of both clear and turbid liquids, making them ideal for environmental testing, research laboratories, and quality control in food and beverage applications, where clarity and purity of liquids are critical. -
Question:
Are the Whatman 1005-042 filter papers suitable for food and beverage applications?
Answer: Yes, the Whatman 1005-042 filter papers are suitable for food and beverage applications. Their high-quality material ensures that no harmful substances leach into food or beverages during the filtration process, making them safe for use in quality control and testing procedures within the food industry. They help ensure compliance with health and safety standards by providing reliable and accurate filtration. -
Question:
How many filter papers are included in a pack of Whatman 1005-042?
Answer: A pack of Whatman 1005-042 filter papers includes 100 circles. This quantity is designed to meet the needs of both small and large laboratories, ensuring that users have enough supply for various filtration tasks without the need to frequently reorder. This makes them a convenient option for both routine laboratory work and extensive research projects. -
Question:
Where can I buy Whatman 1005-042 Qualitative Filter Paper Circles in Malawi?
Answer: You can purchase the Whatman 1005-042 Qualitative Filter Paper Circles from Ubuy, which offers a reliable platform for sourcing high-quality laboratory supplies. Ubuy provides an efficient shopping experience, ensuring you can get the filter papers you need for your projects delivered directly to your location in Malawi.
Whatman Qualitative Filter Paper Editorial Review
The Whatman 1005-320 Qualitative Filter Paper Circles, with a 2.5-micron pore size, are an excellent choice for laboratory use and filtering plant extracts. These filter papers have a flow rate of 94 s/100mL/sq inch and are made from durable materials that hold up better than cheaper alternatives. However, there have been some concerns raised about the labeling of these filter papers as "quantitative" when they are actually "qualitative." Additionally, one reviewer reported that they were not helpful for their intended use in microbiological applications. Despite these concerns, the Whatman brand has a reputation for being a Consistent and reliable filter medium, making these filter papers a good choice for those who need a high-quality filter paper for their laboratory work.
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Pros
- Durable materials
- High-quality filter medium
- Great for filtering plant extracts
Cons
- Mislabeled as "quantitative" instead of "qualitative"
Product Price History
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MWK 105504
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