You Searched For: Merck

Supplier: Merck

Description: 4-(Dimethylamino)cinnamaldehyde for synthesis, Sigma-Aldrich®

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Supplier: Merck

Description: Ethyl-(S)-(-)-lactate for synthesis, Sigma-Aldrich®

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Supplier: Merck

Description: Anthranilic acid for synthesis, Sigma-Aldrich®

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Catalog Number: (8.20092.0100)

Supplier: Merck

Description: 4-Hydroxyanilinium chloride for synthesis, Sigma-Aldrich®

UOM: 1 * 100 g

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Supplier: Merck

Description: Aniline hydrochloride, Sigma-Aldrich®

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Supplier: Merck

Description: Ethanolamine hydrochloride

Supplier: Merck

Description: Nitric acid 60%, Ultrapure for trace analysis, Supelco®

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Supplier: Merck

Description: Prepsolv® solvents are tailored to the requirements of preparative HPLC to facilitate scale-up from analytical to preparative separations. With their extremely low evaporation residue (< 1 mg/l) and low water content, they ensure optimal protection for columns.

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Supplier: Merck

Description: Hydrochloric acid 0.5 mol/l (0.5 N), Titripur® Reag. USP volumetric solution, Supelco®

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Supplier: Merck

Description: 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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Supplier: Merck

Description: The isolation of microorganisms often requires the use of selective media. The use of freeze-dried supplements ensures an optimal and standardised medium preparation and thus optimised performance of the selective medium.

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Supplier: Merck

Description: 3,5-Dihydroxytoluene for synthesis, Sigma-Aldrich®

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Supplier: Merck

Description: Petroleum spirit, 40…80 °C for denaturation, Supelco®

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Supplier: Merck

Description: Desiccant suitable for desiccators to remove water, and for drying most gases and liquids (apart from strongly acidic and basic gases, organic solvents or alkaline liquids). The product contains iron salts as the indicator. Colour change is from orange to colourless at approx. 7/10 g adsorbed H₂O/100 g silica gel. Regeneration can be performed as often as required at 130 to 140 °C in a drying oven for approx. 3 hours.

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Supplier: Merck

Description: 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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Catalog Number: (1.02004.0250)

Supplier: Merck

Description: Cadmium, granular, EMSURE® ∼ 3-6 mm for analysis, Supelco®

UOM: 1 * 250 g

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