2428689
Cytiva Whatman™ Qualitative Filter Paper: Grade 1 Circles
Covers a wide range of laboratory applications and is frequently used for clarifying liquids. Whatman™ Qualitative Filter Paper: Grade 1 Circles are widely used standard grade filter papers for routine applications with medium retention and flow rates.
Manufacturer: Fischer Scientific
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Airflow Rate
13sec./100mL/sq. in.
Format
Disc
Particle Retention
>11 μm
Flow Rate
57mL/min. (water)
Grade
Grade 1
Thickness (Metric)
180 μm
Basis Weight
87 g/m2
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
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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 Circles are widely used standard grade filter papers 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
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Airflow Rate: 13sec./100mL/sq. in.
Format: Disc
Particle Retention: >11 μm
Flow Rate: 57mL/min. (water)
Grade: Grade 1
Thickness (Metric): 180 μm
Basis Weight: 87 g/m2
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
Airflow Rate:
13sec./100mL/sq. in.
Format:
Disc
Particle Retention:
>11 μm
Flow Rate:
57mL/min. (water)
Grade:
Grade 1
Thickness (Metric):
180 μm
Basis Weight:
87 g/m2
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
Airflow Rate: __
Format: Disc
Particle Retention: >8 μm
Flow Rate: Medium
Grade: Grade 2
Thickness (Metric): 190 μm
Basis Weight: __
Material: Cellulose
Filtration Speed: 240 sec.
For Use With (Application): A standard grade filter used for monitoring specific contaminants in the atmosphere and in soil testing.
Porosity: Medium Fine
Airflow Rate:
__
Format:
Disc
Particle Retention:
>8 μm
Flow Rate:
Medium
Grade:
Grade 2
Thickness (Metric):
190 μm
Basis Weight:
__
Material:
Cellulose
Filtration Speed:
240 sec.
For Use With (Application):
A standard grade filter used for monitoring specific contaminants in the atmosphere and in soil testing.
Porosity:
Medium Fine
Airflow Rate: __
Format: Disc
Particle Retention: 20 to 25 μm
Flow Rate: Fast: 160mL/min.
Grade: P8
Thickness (Metric): __
Basis Weight: __
Material: Cellulose
Filtration Speed: 55 sec.
For Use With (Application): Suitable for coarse and gelatinous precipitates. Retains Fe(OH)3, Al(OH)3, metallic sulfides, iron ores. For clarifying solutions, oils. For zinc analysis (Fe ppt removal). Size 19cm (09-804) widely used for sugar analysis.
Porosity: Coarse
Airflow Rate:
__
Format:
Disc
Particle Retention:
20 to 25 μm
Flow Rate:
Fast: 160mL/min.
Grade:
P8
Thickness (Metric):
__
Basis Weight:
__
Material:
Cellulose
Filtration Speed:
55 sec.
For Use With (Application):
Suitable for coarse and gelatinous precipitates. Retains Fe(OH)3, Al(OH)3, metallic sulfides, iron ores. For clarifying solutions, oils. For zinc analysis (Fe ppt removal). Size 19cm (09-804) widely used for sugar analysis.
Porosity:
Coarse
Airflow Rate: __
Format: __
Particle Retention: __
Flow Rate: __
Grade: Grade 3
Thickness (Metric): 390 μm
Basis Weight: __
Material: Cellulose
Filtration Speed: __
For Use With (Application): A standard grade filter used in qualitative analytical techniques to determine and identify materials. For use in büchner funnels.
Porosity: __
Airflow Rate:
__
Format:
__
Particle Retention:
__
Flow Rate:
__
Grade:
Grade 3
Thickness (Metric):
390 μm
Basis Weight:
__
Material:
Cellulose
Filtration Speed:
__
For Use With (Application):
A standard grade filter used in qualitative analytical techniques to determine and identify materials. For use in büchner funnels.
Porosity:
__