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Home » Products » Filter Papers » Filter Paper Grade: 4, 47 mm

Filter Paper Grade: 4, 47 mm

Filter Paper Grade: 4, 47 mm
Filter Paper Grade: 4, 47 mm
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Product Code : 1004-047
Brand Name : Whatman
  • Minimum Order Quantity
  • 1
  • Unit of Measure
  • Unit/Units
  • Price
  • 1030 INR
  • Usage
  • used in qualitative analytical techniques to determine and identify materials.
  • Dimensions
  • 47 Millimeter (mm)
  • FOB Port
  • Udaipur
  • Payment Terms
  • Cheque, Cash in Advance (CID), Cash Advance (CA)
  • Delivery Time
  • 15 Days
  • Main Export Market(s)
  • Africa, Middle East, Western Europe, Eastern Europe, South America, North America, Central America, Australia, Asia
  • Main Domestic Market
  • All India
Product Description

Filter Paper Grade: 4, 47 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. Pre-plated 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, 41 mm

Grade

Grade 4

Grade Type

Standard

Typical Particle Retention in Liquid1

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.



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