Filters
"solar+filter"
Filters
Whatman™ No. 1 Filter Paper, Whatman products (Cytiva)
High Quality Filter Paper.
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Qualitative Filter Paper, Whatman products (Cytiva)
Grade 93 qualitative filter paper.
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Solar USB Kit 2.0
Teach any child or student the power of solar energy by building a USB solar charger!
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Standard Grade Qualitative Filter Papers
Qualitative Filter Paper is available in three standard grades.
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Student Filter Paper
A good quality paper recommended for student use and all routine filtering operations. This is a strong filter paper with a medium flow rate and retention.
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KidWind® Solar Thermal Exploration Kit
The Solar Thermal Exploration Kit is modeled after a domestic solar water-heating system. Explore variables such as box color, light intensity, tube design, rate of water pumping, and amount of time it takes to heat the water. Learn about what makes a solar water heating system more or less efficient.
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Whatman™ Grade 4 Qualitative Filter Papers, Whatman products (Cytiva)
Whatman Grade 4 Qualitative Filter Papers are a standard grade, high flow rate filter paper. They are useful in qualitative analytical separations when fast flow is required and the collection of fine particles is not critical.
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VWR® Quantitative Grade Filter Paper Circles
Quantitative filter papers are used for gravimetric analyses or filtrations where the precipitate is to be recovered.
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Corning® Plastic Syringe Filters, Corning
Syringe filters are available with a choice of membrane type: Polyethersulfone (PES) for low protein binding and faster flow rates; surfactant-free cellulose acetate (SFCA), with or without prefilter, for lowest protein binding; Polytetrafluoroethylene (PTFE) for chemical resistance; regenerated cellulose (RC) – the best choice for DMSO compatibility; and nylon (NY) which is hydrophilic, surfactant-free and lowest extractable.