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GR 1 4.25CM 100/PK

Qualitative filter papers
Grade 1: 11um
HSN Code: 48232000

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Estimated Delivery: 7-10 days

For lab/research use only, unless otherwise specified

GR 1 4.25CM 100/PK

SKU WH1001-042 Categories ,

Description

Qualitative filter papers
These cellulose filters are used in qualitative analytical techniques to determine and identify materials.
Fluted qualitative filters are available, which give improved flow rate and increased loading capacity compared to equivalent flat filters.
Grade 1 (11 um*)
The most widely used filter paper for routine applications with medium retention and flow rate. 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 is quantified by optical reflectance. Available fluted as Grade 1V.

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