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Qualitative Analysis Filter Paper NEWSTAR GRADE 1 Circles
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. Prepleated qualitative filters are also available, which give improved flow rate and increased loading capacity compared to equivalent flat filters.
Grade 1 is the most widely used filter paper in routine applications requiring medium retention
and flow rate, and is most frequently used for clarifying liquids. Specific applications include:
Qualitative analytical separation for lead sulfate, calcium oxalate, and calcium carbonate
Soil analysis and seed testing
Separating foodstuffs from associated liquid or extracting liquid
Collecting atmospheric dust for photometric measurement
Gas detection through the addition of a chromogenic reagent
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