WCN Membrane Circles, Cellulose Nitrate, White Plain Recommended for most routine applications, this membrane is manufactured under strictly controlled conditions. Whatman™ nitrocellulose membranes are known for higher strength and flexibility, low extractables and narrow pore size distribution.
WCN Membrane Circles, Cellulose Nitrate, White Plain Recommended for most routine applications, this membrane is manufactured under strictly controlled conditions. Whatman™ nitrocellulose membranes are known for higher strength and flexibility, low extractables and narrow pore size distribution.
Puradisc 4 mm Syringe Filter, PTFE Whatman™ Puradisc syringe filters combine premium quality with high performance. They are used for the quick, efficient filtration of samples up to 100 mL volume. Whatman™ Puradisc filters are produced from pigment-free polypropylene or polycarbonate with standard inlet (female Luer lock) and outlet (male Luer) connections (unless otherwise stated). Options include a sterile, medical grade blister pack for critical applications and a special tube tip outlet that allows the sample to be accurately dispensed into a micro-vial, removing air lock. Features: • Filtration devices – High per formance syringe filters • 4 mm diameter syringe filter • Sample volume up to 2 mL • Low hold-up volume < 10 μL ensures maximum sample recovery • Tube-tip format (optional)
Membrane Circles, Nylon, White Plain High-quality nylon membranes are suitable for filtering aqueous solutions and most organic solvents. The membranes are suitable for use with a wide range of biological preparations and can be used where other membranes are unsuitable or difficult to use.
Grade 181 Seed Testing Paper, Circle, 90 mm, 100/pk Grade 181 Seed testing circles provide reliable and reproducible results due to their extremely high purity. The papers are made from pure cellulose without any additives and do not contain any substances that could influence the growth of the seeds. The constant water absorption of the papers ensures the continuous provision of the required amount of water. The better contrast of the color seed testing papers makes evaluation easier, particularly for seeds with fine white rootlets or under artificial light. This makes work easier, improves the results, and saves time. The dyes being used have been thoroughly investigated and have no influence on the growth of the seeds.
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