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  5. Cytiva Whatman™ Qualitative Filter Paper: Grade 1 Sheets

Cytiva Whatman™ Qualitative Filter Paper: Grade 1 Sheets

Catalog No. p-4908530
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Dimensions (L x W):
26 x 31 mm (1 x 1.23 in.)
460 x 570 mm (18.11 x 22.45 in.)
580 x 680 mm (22 x 26 in.)
600 x 600 mm (23.62 x 23.62 in.)
75 x 100 mm (3 x 4 in.)
Quantity:
100 Pk.
1000 Pk.
500 Pk.
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Catalog No. Dimensions (L x W) Quantity
09927251 26 x 31 mm (1 x 1.23 in.) 1000 Pk.
09927826 75 x 100 mm (3 x 4 in.) 500 Pk.
09806A 460 x 570 mm (18.11 x 22.45 in.) 100 Pk.
098051F 460 x 570 mm (18.11 x 22.45 in.) 500 Pk.
09927824 600 x 600 mm (23.62 x 23.62 in.) 100 Pk.
09927252 580 x 680 mm (22 x 26 in.) 100 Pk.
09927254 580 x 680 mm (22 x 26 in.) 500 Pk.
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Catalog No. 09927251 Supplier Cytiva Supplier No. 1001813
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Description

Covers a wide range of laboratory applications and is frequently used for clarifying liquids. Whatman™ Qualitative Filter Paper: Grade 1 Sheets are widely used standard grade filter paper for routine applications with medium retention and flow rates.

 

These cellulose filters are used in qualitative analytical techniques to determine and identify materials and for clarifying liquids. 
  • Particle Retention: >11μm
  • Porosity: medium
  • Filtration speed: ASTM™, 40 sec.; Herzberg, 150 sec.
  • Surface: smooth
  • Separates precipitates such as lead sulfate, calcium oxalate (hot) and calcium carbonate
  • Used for soil analysis and seed testing procedures in the agricultural industry
  • Used to separate solid foodstuffs from associated liquid or extract liquid in the food industry
  • Atmospheric dust is collected from airflow and the stain-intensity measured 
  • Impregnated with a chromogenic reagent and color formation quantified by optical reflectance for gas detection

 


Specifications

Description Grade 1 Qualitative Filter Paper Standard Grade, sheet, 26 × 31 mm
Format Sheet
Material Cellulose
Particle Retention 11 μm
Pore Size 11 μm
Filtration Speed 150 sec.
Flow Rate Medium
For Use With (Application) 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.
Grade Grade 1
Porosity Medium
Quantity 1000 Pk.
Thickness (Metric) 180 μm
Type Qualitative Filter Paper
Dimensions (L x W) 26 x 31 mm (1 x 1.23 in.)
Length (Metric) 31 mm
Width (Metric) 26 mm
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