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Microbiology detection tests, Bactident®

Microbiology detection tests, Bactident®

Supplier: Merck

The presence or absence of enzyme activity is a taxonomic property of microorganisms and can be used for their differentiation or identification.

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Sodium borohydride, fine-granular for synthesis, Sigma-Aldrich®

Supplier: Merck

Sodium borohydride, fine-granular for synthesis, Sigma-Aldrich®

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Test strips, peracetic acid, Reflectoquant®, Supelco®

Test strips, peracetic acid, Reflectoquant®, Supelco®

Supplier: Merck

Test strips for the reflectometers RQflex® 10, RQflex® 10 plus and RQflex® 20.

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Cuvettes and tubes for Picco, Multy, Nova and Prove

Cuvettes and tubes for Picco, Multy, Nova and Prove

Supplier: Merck

Rectangular cuvette, Nova & Picco, Optical glass, Path length: 10 mm

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HPLC columns, Hibar®, LiChrospher® 100 RP-8

HPLC columns, Hibar®, LiChrospher® 100 RP-8

Supplier: Merck

Stainless steel Hibar® columns are complete with endfittings. These columns are available with various types of LiChrospher® sorbents.

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p-Xylene reference substance for gas chromatography, Supelco®

Supplier: Merck

p-Xylene reference substance for gas chromatography, Supelco®

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Zinc sulphate 0.1 mol/l (0.1 N) in aqueous solution, Titripur® Reag. Ph. Eur. volumetric solution, Supelco®

Supplier: Merck

Zinc sulphate 0.1 mol/l (0.1 N) in aqueous solution, Titripur® Reag. Ph. Eur. volumetric solution, Supelco®

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Visual colour kits, manganese, MQuant®, Supelco®

Visual colour kits, manganese, MQuant®, Supelco®

Supplier: Merck

Quick tests, visual colour comparison.

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trans-Anethole, Sigma-Aldrich®

Supplier: Merck

trans-Anethole, Sigma-Aldrich®

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Zinc chloride, EMSURE® ACS, ISO, Reag. Ph. Eur. for analysis, Supelco®

Supplier: Merck

Zinc chloride, EMSURE® Reag. Ph. Eur., ACS, ISO for analysis, Supelco®

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HPTLC and TLC plates, silica gel 60, MS-grade

HPTLC and TLC plates, silica gel 60, MS-grade

Supplier: Merck

Coupling TLC plates to mass spectrometry is a new field of high interest, which will contribute strongly to the progress of planar chromatography. The MS-grade plates are much cleaner than standard TLC/HPTLC plates providing higher sensitivity and reduced background signals. This allows trace analysis with mass spectrometry detection in lower nanogram range.

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Hafnium standard solution, 1000 mg/L Hf in 7% hydrochloric acid (from HfOCl?) Certipur® standard for ICP, Supelco®

Hafnium standard solution, 1000 mg/L Hf in 7% hydrochloric acid (from HfOCl?) Certipur® standard for ICP, Supelco®

Supplier: Merck

Hafnium Standard, 1000 mg/L, Certipur®, Supelco®, Hafnium, Matrix: 7% HCl, Application: ICP standards

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(±)-Mercaptosuccinic acid for synthesis, Sigma-Aldrich®

Supplier: Merck

(±)-Mercaptosuccinic acid for synthesis, Sigma-Aldrich®

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Chlorosulphuric acid, Msynth® plus, Sigma-Aldrich®

Supplier: Merck

Chlorosulphuric acid, Msynth® plus, Sigma-Aldrich®

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Titriplex® III solution c (Na₂-EDTA , 2 H₂O) = 0,1 mol/l, Titripur® Reag. Ph. Eur. for metal titration, Supelco®

Supplier: Merck

Titriplex® III solution c (Na₂-EDTA , 2 H₂O) = 0,1 mol/l, Titripur® Reag. Ph. Eur. for metal titration, Supelco®

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Bis(2-ethylhexyl)phosphate for synthesis

Supplier: Merck

Bis(2-ethylhexyl)phosphate for synthesis

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Tetrahydrofuran, LiChrosolv® for liquid chromatography, Supelco®

Tetrahydrofuran, LiChrosolv® for liquid chromatography, Supelco®

Supplier: Merck

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 minimises the gradient effect of the solvent involved.

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Test kits, calcium, Spectroquant®, Supelco®

Test kits, calcium, Spectroquant®, Supelco®

Supplier: Merck

All Spectroquant® test kits can be used with the Prove range of spectrophotometers and Nova 60/60A 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). Spectroquant® cell test kits.

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Sodium carbonate solution 0.05 mol/l (0.1 N), Titripur®, Supelco®

Supplier: Merck

Sodium carbonate solution 0.05 mol/l (0.1 N), Titripur®, Supelco®

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Ammonium sulphate, EMSURE® ACS, ISO, Reag. Ph. Eur. for analysis, Supelco®

Supplier: Merck

Ammonium sulphate, EMSURE® Reag. Ph. Eur., ISO for analysis, Supelco®

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D-(+)-Glucose monohydrate, Millipore®

Supplier: Merck

D-(+)-Glucose monohydrate, Millipore®

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Ferrocene for synthesis, Sigma-Aldrich®

Supplier: Merck

Ferrocene for synthesis, Sigma-Aldrich®

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n-Pentane ≥99.8%, SupraSolv® for GC-ECD/FID, Supelco®

n-Pentane ≥99.8%, SupraSolv® for GC-ECD/FID, Supelco®

Supplier: Merck

n-Pentane ≥99.8%, SupraSolv® for GC-ECD/FID, Supelco®

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Methanol ≥99.9%, EMSURE® Reag. Ph. Eur., ACS, ISO for analysis, Supelco®

Supplier: Merck

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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L(+)-Aspartic acid, Millipore®

Supplier: Merck

Soluble in water and mineral acids; insoluble in organic solvents.

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Extraction unit and drying attachment, LiChrolut®

Extraction unit and drying attachment, LiChrolut®

Supplier: Merck

All the individual steps associated with solid phase extraction can be carried out using the LiChrolut® extraction unit. This transparent and vacuum-suitable unit, made of glass, can be used to prepare up to 12 samples simultaneously.

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Pyridine-2,6-dicarboxylic acid for synthesis, Sigma-Aldrich®

Supplier: Merck

Pyridine-2,6-dicarboxylic acid for synthesis, Sigma-Aldrich®

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Mercury (II) oxide, red for analysis, Supelco®

Supplier: Merck

Mercury (II) oxide, red for analysis, Supelco®

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Methanol, Uvasol® for spectroscopy, Supelco®

Supplier: Merck

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 five typical wavelengths are identified. Furthermore the transmittance is specified in accordance with Reag. Ph. Eur. and ACS.

    
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Benzyl chloride for synthesis, Sigma-Aldrich®

Supplier: Merck

Benzyl chloride for synthesis, Sigma-Aldrich®

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