The provided source material contains detailed product listings and specifications for Whatman filter paper products, including various grades, sizes, and applications. However, the information is exclusively focused on product descriptions, technical specifications, and pricing for commercial purchase. There is no mention of free samples, promotional offers, no-cost product trials, brand freebies, or mail-in sample programmes. Consequently, the source data does not support the creation of an article on freebies or promotional offers related to Whatman filter paper.
The following article provides a factual summary of the available information regarding Whatman filter paper products, their specifications, and purchasing channels, based solely on the provided source documents.
Product Overview and Specifications
Whatman filter paper is a cellulose-based product made from a high percentage of alpha-cellulose. These filter papers are also known as quantitative filters. The source data outlines an extensive line of filter papers with innovative features suitable for various filtering techniques.
Qualitative Filter Grades
The source lists several grades of qualitative filter paper, each with specific particle retention characteristics: * Grade 2: 8 µm * Grade 3: 6 µm * Grade 4: 20-25 µm * Grade 5: 2.5 µm * Grade 6: 3 µm * Grade 591: 7-12 µm * Grade 595: 4-7 µm * Grade 597: 4-7 µm * Grade 598: 8-10 µm * Grade 602h: <2 µm
Ashless Grades
Ashless grades are also available, designed for instrumental analysis: * Grade 40: 8 µm * Grade 41: 20-25 µm * Grade 42: 2.5 µm
Membrane Materials and Filter Types
A wide range of membrane materials is available, including: * Anopore * Cellulose * Cellulose Acetate (CA) * Cellulose Nitrate (CN) * Cotton * Glass Fiber (GF) * Glass Microfiber (934-AH) * Hydrophilic Polytetrafluoroethylene (PTFE) * Mixed Cellulose Ester (MCE) * Nitrocellulose (NC) * Nylon * Polyethersulfone (PES) * Polypropylene (PP)
Product categories extend beyond filter paper to include syringe filters, membrane filters, capsule filters, chromatography supplies, and lab equipment such as vacuum filtration equipment, membrane filter dispensers, mixers, stirrers, centrifuges, zero air generators, and aerosol samplers.
Specific Product Listings and Pricing
The source provides specific product listings with SKUs, descriptions, and prices. The following examples illustrate the range of products available:
Grade 1 Qualitative Filter Paper
- SKU: 1001-090
- Description: Standard, 90mm Circle, 100/Pk
- Price: $16.99
- SKU: 1001-085
- Description: Standard, 85mm Circle, 100/Pk
- Price: $15.95
- SKU: 1001-042
- Description: Standard, 42.5mm Circle, 100/Pk
- Price: $11.95
Grade 4 Qualitative Filter Paper
- SKU: 1004-055
- Description: Standard, 55mm Circle, 100/Pk
- Price: $15.95
- SKU: 1004-150
- Description: Standard, 150mm Circle, 100/Pk
- Price: $39.95
Grade 5 Qualitative Filter Paper
- SKU: 1005-042
- Description: Standard, 42.5mm Circle, 100/Pk
- Price: $12.99
Grade 2 Qualitative Filter Paper
- SKU: 1002-090
- Description: Standard, 90mm Circle, 100/Pk
- Price: $21.99
Grade 3 Qualitative Filter Paper
- SKU: 1003-070
- Description: Standard, 70mm Circle, 100/Pk
- Price: $21.99
Specialised and Ashless Grades
- Grade 934-AH Filter for Total Suspended Solids Analysis
- SKU: 1827-125 (125mm Circle, 100/Pk): $212.99
- SKU: 1827-055 (55mm Circle, 100/Pk): $65.99
- SKU: 1827-047 (47mm Circle, 100/Pk): $63.95
- SKU: 1827-042 (42.5mm Circle, 100/Pk): $54.99
- Grade 42 Ashless Filter Paper for Instrumental Analysis
- SKU: 1442-042 (42.5mm Circle, 100/Pk): $28.99
- Grade 802
- SKU: 5802-185 (18.5cm Diameter, 100/Pk): $52.99
- Grade 17 Chr Cellulose Chromatography Paper
- SKU: 3017-820 (Sheet, 7x9cm, 100/Pk): $118.95
Other Products
- 903 Proteinsaver Card (US)
- SKU: 10534612 (100/Pk): $213.40 (Save $14.59 from $227.99)
- Grade GF/C Glass Microfiber Filter Papers
- SKU: 1822-047 (1.2µm, 47mm Dia., Binder-Free, 100/Pk): $135.95
- Autovial 5 Syringeless Filter
- SKU: AV115NPUORG (no PreFilter, 0.45µm, PTFE Filtration Medium, 50 pcs): $199.99
- PolyCap AS 36 Capsule Filter
- SKU: 6705-3602: $75.99
- 3mM CHR Shts
- SKU: 3030-6189 (4 x 5.25 Inches, 100/Pk): $30.99
- HEPA-Cap 75
- SKU: 6702-7500 (Inlet 3/8 to 1/2 Inches Step Barb, Outlet 3/8 to 1/2 Inches Step Barb): $109.99
Applications and Industries
Whatman filter papers are used across a variety of applications and industries, as indicated in the source data: * Bioscience: Cell Culturing and Tissue Engineering, Biomolecule Purification, Diagnostic and Clinical Testing, Bioprocessing. * Air and Gas Monitoring: Gas Separation, Air Purification, Process Gas Filtration, Environmental Monitoring. * Industrial Filtration: Food and Beverage, Pharmaceutical, Chemical Engineering, Electronics, Energy. * Regulatory and Compliance: Consumer Goods, Environmental Compliance, Water Treatment, Waste Management.
Purchasing and Support Information
The source data indicates that Whatman filter paper products are available for purchase through online retailers. The provided links include: * https://www.tischscientific.com/whatman-filters * https://www.tescaglobal.com/categories/whatman-filters * https://www.amazon.com/whatman-filter-paper/
The source also mentions technical support services, including a Material Compatibility Chart, Filter Selection Guide, Frequently Asked Questions, Downloads and Datasheets, and a Glossary of Lab Terms. Customer support options include a Special Request Form and Request Quality Certificates.
Conclusion
The provided source material offers comprehensive technical specifications, product listings, and pricing for Whatman filter paper products. The information covers a wide range of grades, membrane materials, and applications suitable for laboratory, industrial, and bioscience use. However, the source data contains no information regarding free samples, promotional offers, no-cost trials, or brand freebies. Consumers seeking to purchase Whatman filter paper products can refer to the listed online retailers and utilise the technical and customer support services mentioned in the source.