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Gentian violet slightly stains the nuclei of the leucocytes. The blood specimen is diluted 1:20 in a WBC pipette with the diluting fluid and the cells are counted under low power of the microscope by using a counting chamber. The number of cells in undiluted blood is reported per cumm (µl) of whole blood.
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The UV-Vis spectrophotometer is designed to meet high requirement for precision measurement in the research and production of organic chemistry, biochemistry, medical testing, food testing, environmental protection, water testing industries, etc. The latest ARM system and long optical system ensure high accuracy and good stability of the instrument. They are the best choice of high quality spectrophotometer.
The Pippin Prep facilitates library construction for the most popular NGS platforms, and is recommended by Illumina and Ion Torrent for certain workflows. The platform features the ability to collect narrow and even fragment distributions, as well as the flexibility to collect wide ranges of fragments with minimal effort. Target sizes or ranges of sizes are entered in software, and fractions are collected in buffer. Up to 5 samples per gel cassette may be run, with no possibility of cross contamination
Range 190-1100 nm, basic/quantiative wavelength scan/DNA Protein Test/Kinetic, automatic peak picking spectrum display. Large screen with graphic display. Spectrum and data can be printed out by printer and sent to computer via USB PORT. Set of 4 quartz and 4 glass cuvettes is provided. Software Included (Imported with German Lamps).
OptiMelt provides a fast and accurate means of automatically determining the melting points and melting ranges of chemical substances. With microprocessor controlled temperature ramping, a built-in digital camera, and a selling price that is half that of competing models, OptiMelt offers the best value of any commercially available melting point apparatus.
The Home LED Microscope is an excellent value and wonderful choice for beginners and students of all ages! With this home microscope, you’ll get the same quality and features as other fine high-school-level microscopes, but at a much more affordable price. Its ease-of-use and high-quality components make it a great choice for students, science-lovers, and hobbyists of all ages!
Manufactured in the U.K., the QWS4 combines performance and reliability with exceptional value for money. This new water still incorporates a number of operational and safety features that make this still the ideal choice for your laboratory. • Output capacity 4Litres/Hour pyrogen free* single distilled water • Distillate quality complies with European Pharmacopoeia for Purified Water & A.S.T.M. Type 4. • Pyrex® glass boiler and condenser minimise potential contamination of distillate from the leaching effect of distilled water on metal components • Distillate pH5.0-6.5 • Distillate conductivity 3.0-5.0uS/cm • 3kW chromium plated heating element with 2 independent re-settable thermostats protect the still in the event of water supply failure • Easy to clean. No glassware dismantling is required • Available in 230V, 220V and 120V versions. Output capacity of 120V model is around 2.4Litres/Hour • Can wall or bench mounted • CE marked by independent testing agency • Supplied with an instruction/operating manual • All of the major components are available as spare parts *We recommend that the distillate is tested before use
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