Whatman Grade 40 Ashless Quantitative Filter Paper

Whatman Grade 40 Ashless Quantitative Filter Paper Specification

Speed Range
Medium filtration speed (approx. 250 seconds for 100 ml water through 110 mm disc)

Accuracy
High purity, 0.007% ash content (when ashed at 900C)

Shape
Round (disc)

Features
Ashless, high-purity, consistent performance, low background interference

Temperature Resistance
Up to 125C (approximate drying/ash temperature)

Type
Ashless Quantitative Filter Paper

Dimension (L*W*H)
Various diameters available, commonly 42.5 mm, 55 mm, 70 mm, 90 mm, 110 mm, 125 mm, 150 mm, 185 mm, and 240 mm round

Equipment Type
Laboratory Filter Paper

Equipment Materials
High-quality cotton linters cellulose

Material
Cellulose, Ashless

Application
General quantitative analysis; gravimetric analysis; determination of materials such as metals, heavy metals, and insoluble compounds; environmental analysis; food and beverage industry testing; pharmaceuticals

Retention Range
8 m (particle retention)

pH Range
4.0 9.0

Thickness
0.21 mm

Ash Content
Max 0.007% (ashless)

Basis Weight
85 g/m

Color
White

Pack Size
Typically pack of 100 circles

Grade
40

Compatible Techniques
Gravimetric analysis, standard laboratory filtration

Whatman Grade 40 Ashless Quantitative Filter Paper Trade Information

Minimum Order Quantity
1 Pack

Payment Terms
Cash in Advance (CID)

Supply Ability
5000 Packs Per Month

Delivery Time
2-10 Days

Main Domestic Market
All India

About Whatman Grade 40 Ashless Quantitative Filter Paper

Discover the peerless capabilities of Whatman Grade 40 Ashless Quantitative Filter Paper, renowned for its unmatchable accuracy and purity. Highly popular among laboratories and industrial analysts, it features a maximum ash content of just 0.007%, ensuring minimal background interference. Personalise your selection online with various diameters to fit diverse applications, from gravimetric analysis to environmental testing. Made from enlightened high-quality cellulose, each pack (100 circles) delivers consistent results with medium filtration speed, high temperature resistance, and robust performance. Buy online from reputable distributors, exporters, manufacturers, suppliers, and traders across India for enlightened laboratory solutions.

Applications and Versatility

Whatman Grade 40 Ashless Quantitative Filter Paper is widely used for gravimetric analysis, determination of metals and heavy metals, environmental analysis, and pharmaceutical testing. It's specifically designed for the accurate separation of fine precipitates and insoluble compounds. Beyond gravimetric analysis, its other applications include food and beverage industry testing and quality control procedures. Its high purity and low ash characteristic make it an ideal choice for both qualitative and quantitative laboratory work where precision is critical.

Domestic Market & Purchase Logistics

The main domestic market for Whatman Grade 40 Filter Paper spans across India, serving laboratories, research institutes, and industries. Payment terms are convenient, supporting advance payment, net banking, or credit facilities, facilitating swift outlay handling. With a streamlined logistics process and reliable freight partners, the delivery time typically ranges from a few days to a week, ensuring timely supply for bulk or urgent orders. Robust distribution ensures your filter paper reaches you wherever required.

FAQ's of Whatman Grade 40 Ashless Quantitative Filter Paper:

Q: How does Whatman Grade 40 Ashless Quantitative Filter Paper benefit laboratory analysis?

A: Its high purity, low ash content, and consistent filtration make it ideal for quantitative analysis, reducing background interference for precise results.

Q: What is the typical usage of Grade 40 Ashless Filter Paper?

A: It is primarily used for gravimetric analysis, separation of fine precipitates, and analysis of metals, heavy metals, and insoluble compounds.

Q: When should I use Grade 40 Ashless Filter Paper over other grades?

A: Use Grade 40 when you require high accuracy, low ash content (0.007%), and medium filtration speed for quantitative determinations, especially during ashing processes.

Q: Where can I purchase Whatman Grade 40 Ashless Filter Paper online in India?

A: You can buy it online from reputed distributors, exporters, manufacturers, and suppliers catering to the Indian laboratory and research market.

Q: What is the process for determining the right size and quantity?

A: Select the diameter based on your filtration setup or apparatus. The typical pack contains 100 circles, available in various standard diameters to suit different laboratory needs.

Q: Is this filter paper compatible with all gravimetric analysis techniques?

A: Yes, it is compatible with standard gravimetric analysis and most laboratory filtration techniques, thanks to its reliable retention range and ashless performance.

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