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Cytiva Whatman™
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.
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| Catalog Number | Diameter (Metric) | Quantity |
|---|---|---|
| FKS11372805 | 70 mm | 100/Pk. |
| FIS09-805-1B | 15 mm | 500/Pk. |
| FKS10193971 | 30 mm | 400/Pk. |
| FIS09-805A | 42.5 mm | 100/Pk. |
| FKS10433891 | 42.5 mm | 100/Pk. |
| FKS11352805 | 47 mm | 100/Pk. |
| FIS09-805-345 | 85 mm | 100/Pk. |
| FKS10738611 | 85 mm | 100/Pk. |
| FKS11392805 | 90 mm | 100/Pk. |
| FIS09-805E | 110 mm | 100/Pk. |
| FKS11302815 | 110 mm | 100/Pk. |
| FKS10424081 | 125 mm | 100/Pk. |
| FKS11322815 | 150 mm | 100/Pk. |
| FKS10434271 | 185 mm | 100/Pk. |
| FKS11342815 | 240 mm | 100/Pk. |
| FIS09-805K | 270 mm | 100/Pk. |
| FKS10786262 | 270 mm | 100/Pk. |
| FIS09-805L | 320 mm | 100/Pk. |
| FKS10134071 | 320 mm | 100/Pk. |
| FKS11370394 | 30 mm | 100/Pk. |
| FIS09-805-1D | 400 mm | 100/Pk. |
Catalog number FKS11372805
Price (SGD)
14.37
Special offer
Ends: 15-Dec-2025
40.00Save 25.63 (64%)
PK
Diameter (Metric):
70 mm
Quantity:
100/Pk.
Price (SGD)
14.37
Special offer
Ends: 15-Dec-2025
40.00Save 25.63 (64%)
PK
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
Specifications
Airflow Rate13sec./100mL/sq. in.
Basis Weight87 g/m2
DescriptionGrade 1 Qualitative Filter Paper Standard Grade, circle, 70 mm
FormatDisc
MaterialCellulose
Particle Retention>11 μm
Filtration Speed150 sec.
Flow Rate57mL/min. (water)
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.
GradeGrade 1
PorosityMedium
Quantity100/Pk.
Thickness (Metric)180 μm
TypeQualitative Filter Paper
Diameter (English)2.75 in.
Diameter (Metric)70 mm
Unit SizePK