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Dodavatel: Merck

Popis: Pore volume: 2,9 ml/g.

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Katalogové číslo: (8.14993.0250)

Dodavatel: Merck

Popis: 3-Methylbutyl isovalerate for synthesis, Sigma-Aldrich®

Měrná jednotka: 1 * 250 mL

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Dodavatel: Merck

Popis: Cytoplasm staining esp. for non-gynecological specimens, color effect pale blue-green

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Dodavatel: Merck

Popis: Kyselina citronová for synthesis, Sigma-Aldrich®

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Dodavatel: Merck

Popis: Chlorid cesný analytical reagent, Supelco®

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Dodavatel: Merck

Popis: 8-Hydroxyquinoline-5-sulphonic acid monohydrate for synthesis, Sigma-Aldrich®

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Katalogové číslo: (1.07024.2500)

Dodavatel: Merck

Popis: Chloroform, EMPARTA® ACS analytical reagent, Supelco®

Měrná jednotka: 1 * 2,5 L

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Dodavatel: Merck

Popis: L(+)-kyselina vinná ≥99.0% (by acidimetry) for resolution of racemates, for synthesis, Sigma-Aldrich®

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Dodavatel: Merck

Popis: Octan sodný trihydrát, EMSURE® ACS, ISO, Reag. Ph. Eur. p.a., Supelco®

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Dodavatel: Merck

Popis: Hydrogencitran diamonný, EMSURE® ACS, Reag. Ph. Eur. for analysis, Supelco®

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Dodavatel: Merck

Popis: Sulfit sodný, EMSURE® Reag. Ph. Eur. for analysis, Supelco®

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Dodavatel: Merck

Popis: Accurate analytic results in UV/VIS and infrared spectroscopy depend on the use of very pure solvents for sample preparation. The Uvasol® solvents range has been specially designed for spectroscopy and other applications requiring solvents of the highest spectral purity. The refinement process allows a greater degree of security in applications and avoids misinterpretation of analytical results caused by traces of UV, IR and fluorescence contamination. Uvasol® solvents offer best UV transmittance. In all specifications the minimum transmittance for 5 typical wavelengths are identified. Furthermore the transmittance is specified in accordance with Reag. Ph Eur and ACS.

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Katalogové číslo: (1.09711.0001)

Dodavatel: Merck

Popis: <B>All Spectroquant® test kits</B> can be used with the <B>Prove</B> range of spectrophotometers and Nova 60/60 A instruments. Tests can be used not only on photometers and spectrophotometer from Merck, but also on photometers and spectrophotometers from other suppliers (programming details available on request).

Měrná jednotka: 1 * 100 Tests

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Dodavatel: Merck

Popis: Chromogenic media offer a method for rapid identification of characteristic bacterial enzymes. Merck offers a wide range of solid and liquid culture media that also permits the fluorescence detection of <i>E. coli</i> under the trade name Fluorocult®. Fluorocult® culture media have the same components as the standard media and additionally the substrate MUG. Some of the media also contain tryptophan as the substrate for a possible indole reaction to further confirm <i>E. coli</i> presence. The Fluorocult® method can produce a positive result within just 24 to 48 hours. In the case of the chromogenic media, a direct identification, using the characteristic colony colouring on the culture medium itself is possible without the application of further additives. A differentiation of positive single colonies is possible, even when high microbial counts are present.

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Dodavatel: Merck

Popis: In hematoxylin-eosin staining (H&E), the most widely used histological staining technique, nuclear staining is achieved using ready-to-use staining solutions, such as Mayer’s hemalum solution or Hematoxylin solution modified according to Gill III. These solutions do not need to be filtrated prior use and the dye is oxidized in a controlled manner, which renders the results robust and allows a brilliant differentiation of the stained structures. Counterstaining of i.e. for proteins, collagen, keratin, intercellular substances. can be performed with alcoholic or aqueous Eosin Y solution 0.5 %. It is registered as IVD and CE certified product and can be used for clinical diagnostics.

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Dodavatel: Merck

Popis: 2-chlor-2-methylpropan for synthesis, Sigma-Aldrich®

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