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Home » Products » Filter Papers » Filter Paper Grade: 4, 240 mm

Filter Paper Grade: 4, 240 mm

Filter Paper Grade: 4, 240 mm
Filter Paper Grade: 4, 240 mm
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Product Code : 1004-240
Brand Name : Whatman
Price And Quantity
  • Minimum Order Quantity
  • 1
  • Unit of Measure
  • Unit/Units
  • Price
  • 5740 INR
Product Specifications
  • Usage
  • used in qualitative analytical techniques to determine and identify materials.
  • Dimensions
  • 240 Millimeter (mm)
Product Description

Filter Paper Grade: 4, 240 mm:A standard grade filter used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.

These cellulose filters are used in qualitative analytical techniques to determine and identify materials. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters.

Grade 4: 25 micro-m

Extremely fast filtering with excellent retention of coarse particles and gelatinous precipitates such as ferric hydroxide and aluminum hydroxide. Very useful as a rapid filter for routine clean-up of biological fluids or organic extracts during analysis. Used when high flow rates in air pollution monitoring are required and the collection of fine particles is not critical.

Product Specification:

Parameter Grade 4 Qualitative Filter Paper Standard Grade, circle, 240 mm
Grade Grade 4
Grade Type Standard 
Diameter 240 mm
Typical Particle Retention in Liquid  25 micro-m
Nominal Thickness 210 micro-m
Typical water flow rate2 247 ml/min
Nominal Basis Weight 92 g/m2
Nominal Air Flow Rate 4 s/100 ml/in2
Nominal Ash Content 0.06%
Material Cellulose
Typical Trace Element Levels Aluminium 3.6 micro-g/g Antimony <0.5 micro-g/g Arsenic <0.5 micro-g/g
Barium <0.5 micro-g/g Boron <1 micro-g/g Calcium 27.5 micro-g/g
Chromium 1 micro-g/g Copper 0.9 micro-g/g Iron 13.7 micro-g/g
Lead <0.5 micro-g/g Magnesium 21 micro-g/g Manganese <0.5 micro-g/g
Mercury <0.5 micro-g/g Potassium 6.2 micro-g/g Silicon 8.8 micro-g/g
Sodium 32.3 micro-g/g Zinc 58.3 micro-g/g
Application Used when high flow rates in air pollution monitoring are required and
the collection of fine particles is not critical.
Format Circles
Dimensions 240 mm

Trade Information
  • FOB Port
  • Udaipur
  • Payment Terms
  • Cheque, Cash in Advance (CID), Cash Advance (CA)
  • Delivery Time
  • 15 Days
  • Packaging Details
  • 100 Circles
  • Main Export Market(s)
  • Africa, Middle East, Western Europe, Eastern Europe, South America, North America, Central America, Australia, Asia
  • Main Domestic Market
  • All India

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