Whatman® qualitative filter paper, Grade 1
circles, diam. 70 mm, pack of 100
DOWNLOAD MSDS (PDF)Synonym: Whatman filter, Whatman paper, paper filter
Properties
| Related Categories | Filtration Supplies, Labware, Manufacturer Browser, Paper Filters, Qualitative, |
| material | circles |
| mfr. no. | Whatman Article No., 28413912 (US reference) |
| Whatman, 1001-070 | |
| packaging | pack of 100 |
| limit | 0.25 psi wet burst |
| 150 sec/100 mL speed (Herzberg) | |
| diam. | 70 mm |
Description
General description
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 quantified by optical reflectance.
Grade 1: 11 μm
The most widely used filter paper for routine applications with medium retention and flow rate. Extended range of sizes includes 10 to 500 mm diameter circles and 460 x 570 mm sheets.
Other Notes
Field of Use : For internal research use only. Products are not intended for diagnostic use or resale.
Legal Information
Whatman is a registered trademark of GE Healthcare
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