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Filter paper Grade:1 7.5 x 10 CM

Filter paper Grade:1 7.5 x 10 CM
Filter paper Grade:1 7.5 x 10 CM
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Product Code : 1001-824
Brand Name : Whatman
Price And Quantity
  • Minimum Order Quantity
  • 1
  • Unit of Measure
  • Unit/Units
  • Price
  • 8960 INR
  • Price Range
Product Specifications
  • Usage
  • A widely used standard grade filter paper for routine applications with medium retention and flow rate.
Product Description

A widely used standard grade filter paper for routine applications with medium retention and flow rate. It covers a wide range of laboratory applications and is frequently used for clarifying liquids.

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 1: 11 micro-m

The most widely used filter paper for routine applications with medium retention and flow rate. Extended range of sizes includes 10 to 500 mm diameter circles and 460 x 570 mm sheets. This filter is also available in the filter cup, this is a convenient, disposable 70 mm filter funnel with a 250 ml capacity molded from polypropylene with an integral, heat bonded filter (catalog number 1600-001). This grade covers a wide range of laboratory applications and is frequently used for clarifying liquids. Traditionally the grade is used in qualitative analytical separations for precipitates such as lead sulfate, calcium oxalate (hot), and calcium carbonate. In agriculture, it is used for soil analysis and seed testing procedures. In the food industry, Grade 1 is used for numerous routine techniques to separate solid foodstuffs from associated liquid or extracting liquid and is widely used in education for teaching simple qualitative analytical separations. In air pollution monitoring, using circles or rolls, atmospheric dust is collected from airflow and the stain-intensity measured photometrically. For gas detection, the paper is impregnated with a chromogenic reagent and color formation quantified by optical reflectance.


Parameter Grade 1 Qualitative Filter Paper Standard Grade, sheet, 75x100 mm
Grade Grade 1 
Grade Type Standard 
Typical Particle Retention in Liquid1 11 micro-m 
Nominal Thickness 180 micro-m
Typical water flow rate2 57 ml/min 
Nominal Basis Weight 87 g/m2
Nominal Air Flow Rate 13 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 filter paper for routine applications with medium retention and flow rate.
Covers a wide range of laboratory applications and is frequently used for clarifying liquids. 
Format Sheets 
Dimensions 75x100 mm (3x4 in) 
Pack size 500 pieces 

Trade Information
  • 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

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