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n-Heptan 99,30% (durch GC), LiChrosolv®, Hyper-Qualität für die LC-MS

Lieferant: Merck

Beschreibung: 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).

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n-Heptan ≥99%, EMSURE® Reag. Ph. Eur. zur Analyse, Supelco®

Lieferant: Merck

Beschreibung: 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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n-Heptan, Uvasol® für die Spektroskopie, Supelco®

Lieferant: Merck

Beschreibung: 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, Supelco®

Lieferant: Merck

Beschreibung: n-Heptan, Supelco®

n-Heptan, BAKER ANALYZED®, Laborreagens, J.T.Baker®

Lieferant: Avantor

Beschreibung: n-Heptan, BAKER ANALYZED®, Laborreagens, J.T.Baker®

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n-Heptan, wasserfrei (max. 0,003% H₂O)

Artikel-Nr: (85818.230)

Lieferant: VWR Chemicals

Beschreibung: 250 and 500 ml bottles with a septum cap featuring six separate re-sealable puncture points

VE: 1 * 250 mL

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n-Heptan ≥99%, ULTRA RESI-ANALYZED® für die Analyse von organischen Rückständen, J.T.Baker®

Lieferant: Avantor

Beschreibung: n-Heptan ≥99%, ULTRA RESI-ANALYZED® für die Analyse von organischen Rückständen, J.T.Baker®

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n-Heptan

Lieferant: Merck

Beschreibung: n-Heptane für die Gaschromatographie ECD und FID SupraSolv®

n-Heptan 99+%, ECD getestet zur Pestizidanalyse für die Rückstandsanalyse

Lieferant: Thermo Scientific

Beschreibung: n-Heptan 99+%, ECD getestet zur Pestizidanalyse für die Rückstandsanalyse

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n-Heptan, LiChrosolv® für die Flüssigchromatographie, Supelco®

Lieferant: Merck

Beschreibung: 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.

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