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WCN Membrane Circles, Cellulose Nitrate, White Plain, 0,65µm, 47mm, 100/PK
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.
Standard Narrow Range, reel, 0.5 to 5.5 range, 7 mm × 5 m, pH indicators and test papers, dispenser
Instant pH readings. Accurate for a wide range of routine pH testing. Inexpensive. Convenient and portable for field use. GE Healthcare offers a range
of pH indicator and test papers to meet specific needs. These high-quality products combine ease-of-use with unsurpassed accuracy and consistency.
The convenience of using indicator papers for the rapid determination of pH values has led to many applications in laboratories and in industry.
Dispensers Type SR
Ashless Clippings, 500g
Whatman ashless filter aids enhance filtration speed by coagulating precipitates or
suspensions to form a thick retentive “prefilter” layer on top of normal filter paper.
Reel, Potassium Iodide, 7 mm × 5 m, pH indicators and test papers, specialized test papers, dispenser reel
Instant pH readings. Accurate for a wide range of routine pH testing. Inexpensive. Convenient and portable for field use. GE Healthcare offers a range
of pH indicator and test papers to meet specific needs. These high-quality products combine ease-of-use with unsurpassed accuracy and consistency.
The convenience of using indicator papers for the rapid determination of pH values has led to many applications in laboratories and in industry. Used for
detecting chlorine and other oxidizing agents. In acid solution, oxidizing agents react with the iodide in the test paper to liberate iodine. The paper will turn
blue in the presence of an oxidizing agent (e.g., CI₂, Br₂, H₂O₂, HNO₂ etc.).
Grade 91 Qualitative Filter Paper Circles, 10 µm
These extremely strong filter papers have a high wet strength due to the addition of a small quantity of chemically stable resin.
Normal qualitative applications will not introduce any significant impurities into the filtrate. The resins do, however, contain
nitrogen so these grades should not be used in Kjeldahl estimations. A general purpose creped filter for less critical
routine analysis. Widely used to assay sucrose in cane sugar and within pharmaceutical laboratories for routine filtration.
pH indicators and test papers, acid-alkali, Litmus blue, 10 books of 20 strips
Instant pH readings. Accurate for a wide range of routine pH testing. Inexpensive. Convenient and portable for field use. GE Healthcare offers a range of
pH indicator and test papers to meet specific needs. These high-quality products combine ease-of-use with unsurpassed accuracy and consistency.
The convenience of using indicator papers for the rapid determination of pH values has led to many applications in laboratories and in industry.
PolyVENT Venting Filter
PolyVENT are integral filter products for sterile venting of vessels and tanks. Membrane made of hydrophobic 0.2 µm
PTFE membrane. Validated for 50 steam autoclave cycles; compatible with EtO. Testable by Water Break Through
(WBT) test or bubble point testing. Pass USP Class VI biosafety tests for plastics. Manufactured in clean room facilities.
Bidirectional and autoclavable. These devices are constructed from a single, standardized set of materials PTFE membranes
and polypropylene housing to simplify the approval process.
Transfer membranes Amersham Protran
Pure nitrocellulose with extreme mechanical stability - gives excellent useability. For protein transfer and DNA/RNA transfer techniques. Optimum signal/background ratio.
Grade 113V Folded Qualified Filter Paper Circles, 30 µm, 100/pk
A very thick strong filter with creped surface for extremely high loading capacity in folded form. Ideal for coarse particles and gelatinous preciptates.
TurboBlotter Kit, small, Nytran SPC, 0.45 µm
TurboBlotter Kit Rapid: Downward capillary transfer allows for alkaline buffer transfers in 1 h and neutral (SSC) transfers
in 3 h. Economical: Reusable blotting device requires less buffer and blotting paper. Convenient refill packs available.
Compact: Has a smaller footprint than most homemade devices and is stackable. Up to five units can be stacked on
top of each other during transfers. Easy to use: Very easy to set up and works without power or vacuum source.
Uses Whatman Nytran SPC membrane and Whatman 3MM Chr and GB003 or GB005 blotting papers for top
performance. The TurboBlotter System is a rapid downward blotting device for high-resolution transfer of DNA
and RNA. Rapid downward transfer system The conventional Northern/Southern transfer stack has been turned
upside down in order to take advantage of gravity. No heavy weights are required on the top of the transfer stack,
eliminating the messy set-up of standard upward capillary transfers. The TurboBlotter System offers greater speed,
target resolution, and convenience versus traditional blotting procedures. Alkaline DNA transfers can be performed
in as little as 1 h, while neutral (SSC) transfers of DNA and RNA take only 3 h.
TurboBlotter is available in two sizes. The smaller model is 12 x 16 cm, for gels from 7 x 8 cm to 11 x 14 cm.
The larger model is 21 x 26 cm, for gels from 12 x 21 cm to 20 x 25 cm. Each size comes in your choice of refill packs.
The refill packs are available separately. Each transfer uses one sheet of Nytran SPC, one wick of 3MM Chr, and
a blotter stack composed of eight sheets of 3MM Chr and twenty sheets of GB003 or GB005. Each TurboBlotter
Kit or TurboBlotter refill contains five sets of these materials, enough for five transfers.
