Cytiva Whatman™ Qualitative Filter Paper: Grade 1 Sheets

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.

Product Code	Brand	Dimensions (L x W)	Quantity
11392815	Cytiva 1001-813	26 x 31 mm (1 x 1.23 in.)	1000 Pk.
11302825	Cytiva 1001-824	75 x 100 mm (3 x 4 in.)	500 Pk.
11312825	Cytiva 1001-917	460 x 570 mm (18.11 x 22.45 in.)	100 Pk.
11322825	Cytiva 1001-918	460 x 570 mm (18.11 x 22.45 in.)	500 Pk.
11310404	Cytiva 1001-929	600 x 600 mm (23.62 x 23.62 in.)	100 Pk.
11332825	Cytiva 1001-931	580 x 680 mm (22 x 26 in.)	100 Pk.
11300404	Cytiva 1001-932	580 x 680 mm (22 x 26 in.)	500 Pk.

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

• Format: Sheet
• Pore Size: 11 μm
• Flow Rate: Medium
• Grade: Grade 1
• Thickness (Metric): 180 μm

• Material: Cellulose
• Filtration Speed: 150 sec.
• 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.
• Porosity: Medium