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n-Heptan, EMPLURA®, Supelco®

Leverantör: Merck

Beskrivning: EMPLURA® is our low-cost alternative to high-purity qualities. With EMPLURA® we offer a range of solvents for a plurality of basic applications in non-regulated industries and for less demanding applications, preparative laboratory work and cleaning purposes. EMPLURA® solvents provide adequate specifications with the most important parameters.

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n-Heptan, Uvasol® for spectroscopy, Supelco®

Leverantör: Merck

Beskrivning: 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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n-Heptan ≥99.3%, LiChrosolv®, hypergrade for LC-MS

Leverantör: Merck

Beskrivning: LiChrosolv® hypergrade is accurately tested for LC-MS suitability, and meet all the requirements of modern LC-MS ionization methods (ESI/APCI - positive and negative mode).

n-Heptan, LiChrosolv® for liquid chromatography, Supelco®

Leverantör: Merck

Beskrivning: With their high degree of UV transmittance, low particle count, low acidity and alkalinity and low evaporation residue level, LiChrosolv® solvents are ideal for reproducible separations. Since separations are normally carried out under gradient conditions in analytical HPLC, we offer solvents in "gradient grade" as well as "isocratic grade". This enables to minimize the gradient effect of the solvent involved.

Säkerhetsdatablad Certifikat

n-Heptan ≥99%, EMSURE® Reag. Ph. Eur. for analysis, Supelco®

Leverantör: Merck

Beskrivning: EMSURE® grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE® provides worldwide best and most extensive product specifications. We declare our EMSURE® range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.

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