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Item #:
11365283
Whatman 1005-042 Qualitative Filter Paper Circles, 2.5 Micron, 94 s/100mL/sq inch Flow Rate, Grade 5, 42.5mm Diameter (Pack of 100)
87% of respondents would recommend this to a friend
Item #:
11365283
ETB 6186
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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
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.
Product Description
Whatman 1005-042 Qualitative Filter Paper Circles, 2.5 Micron, 94 s/100mL/sq 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 Ethiopia?
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 Ethiopia.
Whatman Qualitative Filter Paper Editorial Review
Whatman 1005-042 Qualitative Filter Paper Circles, 2.5 Micron, 94 s/100mL/sq inch Flow Rate, Grade 5, 42.5mm Diameter (Pack of 100) offers a reliable solution for various laboratory filtration tasks. Designed for reliability, many users have noted that these filter papers hold up significantly better than cheaper alternatives, making them a consistent choice among professionals. However, some customers have experienced slower filtering rates, especially in soil analyses, which may not fully meet their expectations. Care is needed as these filter papers can rip easily if not handled properly. Overall, this product is well-regarded for its quality, especially in smaller filtration setups.
Customer Reviews & Ratings
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Pros
- Reliable for various laboratory filtration tasks
- Significantly more durable than cheaper alternatives
- Works well for small test tubes
- consistent quality from a trusted brand
- Great for low-quantity water filtration
Cons
- Filtering can be slower due to its micron size
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