Product Description: Whatman Filter Papers 125mm – Grade-41 Ashless

Whatman Filter Papers 125mm – Grade-41 Ashless are high-quality quantitative ashless filter papers designed for laboratory filtration, gravimetric analysis, precipitate collection, sample preparation, and other analytical laboratory applications. With a 125 mm / 12.5 CM circular diameter, these Whatman Filter Papers 125mm provide reliable filtration performance and are manufactured from high-purity cellulose with very low ash content.

The Whatman Filter Papers 125mm – Grade-41 are particularly suitable for quantitative analytical procedures where low ash content is important. Grade 41 provides a nominal particle retention of approximately 20 microns and has a typical ash content of less than 0.007%, helping minimize interference from filter residues during analytical procedures.

Specifications of Whatman Filter Papers 125mm

• Product Name: Whatman Filter Papers 125mm
• Filter Type: Quantitative Ashless Filter Paper
• Grade: Grade No. 41
• Circle Size: 125 mm / 12.5 CM Diameter
• Particle Retention: Approximately 20 Microns
• Ash Content: Less than 0.007%
• Filtration: Fast
• Shape: Circular
• Pack Quantity: 100 Circles
• Cat No.: 1441-125
• Brand: Whatman
• Origin: UK

Whatman Filter Papers 125mm for Quantitative Laboratory Filtration

Whatman Filter Papers 125mm – Grade-41 Ashless are designed for quantitative laboratory procedures where accurate filtration and low ash content are important. The ashless construction makes these filter papers suitable for gravimetric analysis, where the filter may be ignited after filtration and the remaining residue needs to be minimized.

The Grade-41 filter paper offers fast filtration with approximately 20-micron particle retention, making it suitable for efficient collection of precipitates and solid particles from liquid samples.

Wide Range of Applications

Whatman Filter Papers 125mm – Grade-41 can be used for a variety of analytical, research, environmental, chemical, and industrial laboratory applications, including:

• Quantitative chemical analysis
• Gravimetric analysis
• Precipitate collection
• Solid-liquid separation
• Sample preparation
• Laboratory filtration
• Chemical analysis
• Environmental analysis
• Water analysis
• Soil analysis
• Pharmaceutical laboratory applications
• Food and beverage testing
• Industrial quality control
• Research and development
• Metal analysis
• Mining laboratory applications
• Analytical chemistry
• Educational laboratory applications

125mm / 12.5 CM Circular Filter Papers

The 125mm diameter is one of the key features of these Whatman Filter Papers 125mm. The 12.5 CM circular format provides a convenient filtration area for routine and quantitative laboratory applications.

The circular filter papers can be folded and used with compatible laboratory funnels, filter holders, and filtration equipment. Grade 41 is particularly useful where efficient filtration and low ash content are required for quantitative analytical procedures.

Each pack contains 100 circular filter papers, and the product is identified by Cat No. 1441-125. Cytiva’s ordering information confirms the 125 mm Grade 41 product as 1441-125 with 100 pieces per pack.

Ashless Filter Paper for Gravimetric Analysis

One of the major advantages of Whatman Filter Papers 125mm – Grade-41 Ashless is their very low ash content. Grade 41 has a typical ash content of less than 0.007%, making it suitable for analytical procedures where the filter residue could otherwise interfere with the final measurement.

These properties make Grade 41 particularly useful for gravimetric analysis and quantitative precipitation methods, where the collected precipitate may be dried or ignited and weighed as part of the analytical procedure.

Why Choose Whatman Filter Papers 125mm – Grade-41?

• High-quality Whatman Filter Papers 125mm
• Grade No. 41 quantitative ashless filter paper
• Standard 125 mm / 12.5 CM circular diameter
• Approximately 20-micron particle retention
• Less than 0.007% ash content
• Fast filtration performance
• Suitable for gravimetric analysis
• Ideal for quantitative chemical analysis
• Suitable for precipitate collection and solid-liquid separation
• 100 Circles per pack
• Cat No.: 1441-125
• Suitable for chemical, pharmaceutical, environmental, food, research, and industrial laboratories
• Brand: Whatman
• Origin: UK

Frequently Asked Questions (FAQ)

1. What are Whatman Filter Papers 125mm Grade-41?

Whatman Filter Papers 125mm – Grade-41 are quantitative ashless laboratory filter papers designed for analytical filtration, gravimetric analysis, precipitate collection, and quantitative laboratory procedures.

2. What is the diameter of these Whatman Filter Papers 125mm?

The diameter is 125 mm, equivalent to 12.5 CM.

3. What grade are these Whatman Filter Papers 125mm?

These filter papers are Grade No. 41 quantitative ashless filter papers.

4. What is the particle retention of Grade-41 Filter Paper?

Whatman Grade 41 has a nominal particle retention of approximately 20 microns.

5. What is the ash content of Grade-41 Filter Paper?

The typical ash content is less than 0.007%, making it suitable for quantitative and gravimetric analytical procedures.

6. Are Whatman Filter Papers 125mm Grade-41 suitable for gravimetric analysis?

Yes. Grade 41 is a quantitative ashless filter paper and is suitable for gravimetric analysis and related analytical procedures.

7. How many filter papers are included in one pack?

Each pack contains 100 circular filter papers.

8. What is the Cat No. of Whatman Grade-41 125mm Filter Paper?

The Cat No. is 1441-125.

9. What is the filtration performance of Grade-41 Filter Paper?

Grade 41 provides fast filtration and approximately 20-micron particle retention, making it suitable for efficient collection of precipitates and particles.

10. Can Whatman Filter Papers 125mm Grade-41 be used for precipitate collection?

Yes. They are suitable for collecting precipitates and separating solid particles from liquid samples during quantitative laboratory procedures.

11. What is the shape of Whatman Filter Papers 125mm?

They are circular filter papers with a diameter of 125 mm.

12. What is the brand of these filter papers?

The brand is Whatman.

13. What is the origin of Whatman Grade-41 Filter Paper?

The product documentation is associated with Cytiva’s UK operations, and the specified product origin for this listing is UK.

14. Can Whatman Filter Papers 125mm Grade-41 be used in chemical laboratories?

Yes. They are suitable for various quantitative chemical analysis, gravimetric procedures, sample preparation, and solid-liquid separation applications.

15. What makes Grade-41 different from ordinary qualitative filter paper?

Grade 41 is a quantitative ashless filter paper with very low ash content, making it more suitable for quantitative and gravimetric analytical procedures where filter residue can affect measurements.

Conclusion

Whatman Filter Papers 125mm – Grade-41 Ashless are high-quality quantitative filter papers designed for gravimetric analysis, quantitative chemical analysis, precipitate collection, sample preparation, and laboratory filtration. With a 125 mm / 12.5 CM circular size, approximately 20-micron particle retention, fast filtration performance, less than 0.007% ash content, 100 Circles per pack, and Cat No. 1441-125, these Whatman Filter Papers 125mm provide a reliable solution for analytical, pharmaceutical, environmental, research, food, mining, and industrial laboratory applications.