Whatman Qualitative Filter Papers; 9.0 cm Dia; Pore Size, 2.5 ; 100/box
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Whatman Qualitative Filter Papers; 9.0 cm Dia; Pore Size, 2.5 ; 100/box
Our Whatman® filter papers offer you flexibility in filter choice without sacrificing quality.
Whatman Qualitative Filter Papers; 9.0 cm Dia; Pore Size, 2.5 ; 100/box
Artigo n.º: 220596087

Whatman Qualitative Filter Papers; 9.0 cm Dia; Pore Size, 2.5 ; 100/box

Artigo n.º: 220596087

STD 813080

Price Details

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Our Whatman® filter papers offer you flexibility in filter choice without sacrificing quality.
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O que se Destaca

High Purity
Designed for qualitative analysis, these filter papers ensure minimal contamination, providing reliable results in laboratories and research settings.
Optimal Pore Size
With a precise pore size of 11, these filters efficiently separate particles, making them ideal for various applications including microbiology and chemistry.
Convenient Packaging
Sold in boxes of 100, these filter papers offer great value and convenience, ensuring you have sufficient supplies for extensive experimentation without frequent restocking.

Detalhes do produto

Shop Whatman Qualitative Filter Papers; 9.0 cm Dia; Pore Size, 2.5 ; 100/box online at a best price in São Tomé and Príncipe. B0FD5499HY
Package Weight1 Pound

Quem Deverá Comprar?

Suitable For
  • Laboratory Technicians

    Ideal for technicians conducting analytical tests requiring precise filtration and separation of small particles from liquid samples.

  • Education Institutions

    Perfect for schools and universities for teaching practical chemistry and biology techniques involving filtration experiments.

  • Research Scientists

    Beneficial for researchers needing reliable and consistent filter papers for experiments and sample preparation in various fields.

Not Suitable For
  • Heavy Filtration

    Not suitable for processes requiring high-volume filtration or where greater pore sizes are needed for larger particulates.

DESCRIÇÃO DO PRODUTO

Whatman Qualitative Filter Papers; 9.0 cm Dia; Pore Size, 2.5 ; 100/box

Tem alguma Dúvida? Converse connosco

Perguntas e Respostas dos Clientes

  • pergunta: What are the main applications of Whatman Qualitative Filter Papers?

    Resposta: Whatman Qualitative Filter Papers are widely used in laboratories for tasks such as clarifying liquids, separating solids from liquids, and filtering solvents. They are particularly beneficial in qualitative analysis, allowing for precise and reliable results in experiments. The 5.5 cm diameter and 11μm pore size are ideal for collecting particulates in samples, making them suitable for applications in chemistry, biology, and environmental studies.
  • pergunta: How can I choose the right type of Whatman Filter Paper for my needs?

    Resposta: Selecting the right Whatman Filter Paper depends on your specific application. Consider the size of the particulates you need to filter and the volume of liquid. The qualitative papers with a pore size of 11μm are excellent for general filtration tasks. If you're dealing with finer particles or require a higher degree of clarity, you might want to explore options with smaller pore sizes or different grades tailored for specific applications.
  • pergunta: Can Whatman Qualitative Filter Papers be used in food and beverage applications?

    Resposta: Yes, Whatman Qualitative Filter Papers can be used in food and beverage applications. They are designed to be inert and suitable for filtering food samples, ensuring that the quality of your product is maintained. Whether you are testing for contaminants or prepping samples for analysis, these filter papers can effectively separate particulates without leaching unwanted substances into the solution.
  • pergunta: Are there specific storage instructions for the Whatman Qualitative Filter Papers?

    Resposta: Proper storage of Whatman Qualitative Filter Papers is crucial for maintaining their integrity. Ideally, they should be stored in a cool, dry place away from direct sunlight and moisture. Keeping them in their original packaging until use helps prevent contamination. Following these guidelines will ensure optimal performance when you are ready to employ them in your experiments.
  • pergunta: What characteristics make Whatman Qualitative Filter Papers stand out?

    Resposta: Whatman Qualitative Filter Papers are known for their superior filtration capabilities and consistent performance across a range of applications. They offer uniform thickness and high resistance to tearing, which contributes to their effectiveness in laboratory settings. Their ability to provide clear filtrates while holding back fine particulates makes them a preferred choice for researchers and analysts.
  • pergunta: How do I properly dispose of used Whatman Qualitative Filter Papers?

    Resposta: Used filter papers should be disposed of according to the guidelines for hazardous waste if they have come into contact with toxic or reactive substances. For general laboratory waste, they can typically be placed in a designated waste bin. Proper disposal is essential to maintain laboratory safety and comply with environmental regulations.
  • pergunta: What is the filtration speed of Whatman Qualitative Filter Papers?

    Resposta: The filtration speed of Whatman Qualitative Filter Papers varies depending on the specific grade and pore size. Generally, these filter papers allow for rapid filtration while providing high clarity. Factors influencing filtration speed include the viscosity of the liquid being filtered and the size of particulates. Understanding these parameters can help you choose the right paper for efficient results.
  • pergunta: Can Whatman Qualitative Filter Papers be reused?

    Resposta: Generally, Whatman Qualitative Filter Papers are designed for single use to ensure optimal filtration quality. Although some users may try to reuse them depending on the nature of the filtration, it is not recommended, as the filter performance may be compromised. For critical applications, using fresh filter papers is advisable to maintain accuracy in results.
  • pergunta: What are the environmental impacts of using Whatman Qualitative Filter Papers?

    Resposta: Whatman is committed to sustainability, and their Qualitative Filter Papers are designed to minimize environmental impact. Made from high-quality fibers, they are generally biodegradable. However, it is essential to consider the specific circumstances of use and disposal, especially if the filter papers have been in contact with hazardous materials. Proper disposal and recycling practices can further enhance their environmental friendliness.
  • pergunta: Where can I buy Whatman Qualitative Filter Papers; 5.5 cm Dia; Pore Size, 11μ; 100 box?

    Resposta: You can purchase Whatman Qualitative Filter Papers at Ubuy in São Tomé and Príncipe. Ubuy offers a range of laboratory products, including these filter papers in convenient packaging. Visit their website to explore more details and make your purchase effortlessly.

Whatman Qualitative Filter Paper Editorial Review

The Whatman Qualitative Filter Papers have garnered positive feedback from users, particularly in their application for brewing coffee with espresso machines. Customers appreciate the effectiveness of these filter papers in improving coffee extraction, as they address the common issue of channeling caused by uneven water distribution from the shower head. Users have reported that placing a layer of the filter paper over the coffee grounds leads to a flatter surface after brewing, which significantly enhances the flavor profile. Repeated purchases indicate a satisfied customer base, with some users mentioning that one sheet can be reused for several brews, adding to the product's value. Overall, customers find these filter papers to be a practical solution that elevates their coffee brewing experience.

Avaliações e Classificações dos Clientes

5.0
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  • 4 Estrela
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  • 2 Estrela
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Prós

  • Enhances coffee flavor and extraction.
  • Reduces channeling during brewing.
  • One sheet can be used for multiple brews.
  • Positive reception among users.

Platform Trust & Buyer Confidence

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4.3/5 9,000 + reviews
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MT
Mohd
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“The product received very good packaging & safe…Thank You”

16 June 2026 · via Trustpilot
SJ
Shawati
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“Accurate delivery timing given”

16 June 2026 · via Trustpilot
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Youcef
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“Not madly expensive like I thought, and much quicker than promised.”

15 June 2026 · via Trustpilot
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Leila
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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”

6/7/2026 · via Trustpilot
KA
Kwame
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
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  • Nem todos os produtos listados na Ubuy estão à venda, uma vez que a Ubuy é um motor de busca global. Os produtos estão sujeitos a leis de exportação/comércio.

STD 813080

Encomende já e receba por volta de Monday, Agosto 10

QTY:

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Os nossos principais Parceiros Logísticos
  • fedex
  • dhl
Entrega internacional mais rápida

Recursos e benefícios

  • High-quality qualitative filter papers for various applications.
  • Flexible filter choices without compromising on performance.
  • Perfect for liquid clarifications, analytical separations, and analysis.
  • Each box contains 100 filters for convenience.
  • Industry standard for high-purity filtration with a 45-day guarantee.
  • Available in a variety of grades and sizes to meet your needs.

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Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.