Cellulose filters are used in qualitative analytical techniques to determine and identify materials.
Prepleated qualitative filters are available, which give improved flow rate and increased loading capacity compared to equivalent flat filters.
-25%
| Variation Codes | 1006-090 |
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Whatman
Chromatography Papers-Grade 1 CHR
Whatman chromatography paper media are made from specially selected cotton cellulose.
They are rigorously quality controlled for characteristics important to the chromatographer and to ensure uniformity within
the grade.Features and benefits
• Pure cellulose produced entirely from the highest quality cotton linters
with no additives of any kind
• Manufactured and tested specifically for chromatographic techniques –
this ensures the wicking capability and uniformity of capillary action that
are important in chemical separations
• Also widely used in protein and nucleic acid blottingSKU: n/a -
Whatman
Qualitative Filter Papers – Grade 1: 11µm
Grade :Grade 1
Grade Type :Standard
Typical Particle Retention in Liquid1 :11 µm
Nominal Thickness :180 µm
Typical water flow rate2 :57 ml/min
Nominal Basis Weight :87 g/m²
Nominal Air Flow Rate :13 s/100 ml/in²
Nominal Ash Content :0.06%
Material :CelluloseFormat :Sheets
Dimensions :580 x 680 mm (22 x 26 in)
Pack size :100 piecesSKU: n/a -
Whatman
Glass Microfiber Filters-Binder Free Glass Microfiber Filters-Grade GF/A (1.6 μm)
Grade GF/C: 1.2 μm*
Combines fine particle retention with good flow rate.
The standard filter in many
parts of the world for the collection of suspended solids in potable water and natural
and industrial wastes.Fast and efficient clarification of aqueous liquids containing
low to medium levels of fine particulates.Widely used for cell harvesting, liquid scintillation counting, and binding assays where more loading capacity is required.
SKU: n/a -
Whatman
Glass Microfiber Filters-Binder Free Glass Microfiber Filters- Grade GF/A (1.6 μm)
Offers fine particle retention and high flow rate, as well as good loading capacity.
Used for high-efficiency general purpose laboratory filtration, including water pollution monitoring of effluents, for filtration of water, algae and bacteria cultures, food stuff analyses, protein filtration, and radioimmunoassay of weak ß emitters.
Recommended for gravimetric determination of airborne particulates, stack sampling, and absorption
methods of air pollution monitoring.SKU: n/a
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