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179044 results for "Merck"

179044 Results for: "Merck"

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p-Toluenesulphonyl chloride zS, Sigma-Aldrich®

Supplier: Merck

p-Toluenesulphonyl chloride zS, Sigma-Aldrich®

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Titriplex® solution B for the determination of alkaline earth in water (hardness) concentrate, Titrisol®, Supelco®

Supplier: Merck

for the determination of alkaline earth in water (hardness), 1 ml = 10 mg CaO/l (≙ 1 German degrees of hardness) using 100 ml of water for 1000 ml

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Disodium benzene-1,3-disulphonate, Sigma-Aldrich®

Supplier: Merck

Disodium benzene-1,3-disulphonate, Sigma-Aldrich®

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Silicon dioxide (Silica, vitreous), granules, Patinal® 2.5-4 mm

Supplier: Merck

Silicon dioxide (Silica, vitreous), granules, Patinal® 2.5-4 mm

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Accessories for HPLC columns, preparative scale, Chromolith® Prep

Accessories for HPLC columns, preparative scale, Chromolith® Prep

Supplier: Merck

Chromolith®, Chromolith® Prep column coupler for Ø 25 mm

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Chloroform-[D₁] (99.96% D) for NMR spectroscopy, Sigma-Aldrich®

Supplier: Merck

Chloroform-[D₁] (99.96% D) for NMR spectroscopy, Sigma-Aldrich®

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Silicon dioxide (Silica, vitreous), granules, Patinal® 1 -2.5 mm

Supplier: Merck

Silicon dioxide (Silica, vitreous), granules, Patinal® 1 -2.5 mm

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Cartridges LiChrospher® ADS

Cartridges LiChrospher® ADS

Supplier: Merck

For on-line sample preparation of untreated bio-fluids. Allows the direct extraction and enrichment of hydrophobic, low molecular analytes from untreated samples such as haemolysed blood, plasma, serum, milk, salivary fluid, fermentation broth, supernatants of cell cultures and tissue as well as food homogenates.

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Conductivity standards, Certipur® Supelco®

Conductivity standards, Certipur® Supelco®

Supplier: Merck

These conductivity sachets are convenient, easy to use and ensure accurate and reliable results both in the field or in the laboratory. The 30 ml sachets always provide a fresh solution preventing contamination by microorganisms, CO₂ or other substances. A conductivity sensor can be simply inserted into the sachet.

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L(+)-Aspartic acid, Millipore®

Supplier: Merck

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

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Imidazole for synthesis, Sigma-Aldrich®

Supplier: Merck

Imidazole for synthesis, Sigma-Aldrich®

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Pumice stone, granulated for elementary analysis, Supelco®

Supplier: Merck

Pumice stone, granulated for elementary analysis, Supelco®

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Hydroxylammonium sulphate ≥99%, GR analytical reagent, Supelco®

Supplier: Merck

Hydroxylammonium sulphate ≥99%, GR analytical reagent, Supelco®

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Thiosemicarbazide for synthesis, Sigma-Aldrich®

Supplier: Merck

Thiosemicarbazide for synthesis, Sigma-Aldrich®

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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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Warthin-Starry silver plating kit modified, Sigma-Aldrich®

Warthin-Starry silver plating kit modified, Sigma-Aldrich®

Supplier: Merck

For the detection of Helicobacter pylori and Spirochetes in paraffin sections

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HPLC columns, Superspher®

HPLC columns, Superspher®

Supplier: Merck

Superspher® improves the separation efficiency of HPLC analysis. This high performance spherical silica carrier, with a mean particle size of 4 μm, yields the best pressure/separation performance ratio in view of today's generation of HPLC systems and according to theoretical calculation and practical experience.

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Mercury analytical reagent, Supelco®

Supplier: Merck

Mercury analytical reagent, Supelco®

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Mercury, Suprapur® for trace analysis, Supelco®

Supplier: Merck

Mercury, Suprapur® for trace analysis, Supelco®

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Ethylene glycol monomethyl ether (2-methoxyethanol), EMSURE® Reag. Ph. Eur., ACS analytical reagent

Supplier: Merck

Ethylene glycol monomethyl ether (2-methoxyethanol), EMSURE® Reag. Ph. Eur., ACS analytical reagent

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Cobalt(II) acetate tetrahydrate

Supplier: Merck

Cobalt(II) acetate tetrahydrate

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Titanium(II) oxide, Patinal®

Supplier: Merck

Titanium(II) oxide, Patinal®

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n-Heptadecane reference substance for gas chromatography, Supelco®

Supplier: Merck

n-Heptadecane reference substance for gas chromatography, Supelco®

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Visual colour kits, oxygen, MQuant®, Supelco®

Visual colour kits, oxygen, MQuant®, Supelco®

Supplier: Merck

Quick tests, visual colour comparison.

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Lithium aluminum hydride zS, Sigma-Aldrich®

Supplier: Merck

Lithium aluminum hydride zS, Sigma-Aldrich®

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(±)-Methyl-2,3-dichloropropionate

Supplier: Merck

(±)-Methyl-2,3-dichloropropionate

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Sodium hydride 60% dispersion in paraffin liquid zS, Sigma-Aldrich®

Supplier: Merck

Sodium hydride 60% dispersion in paraffin liquid zS, Sigma-Aldrich®

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Propylene glycol diacetate zS, Sigma-Aldrich®

Supplier: Merck

Propylene glycol diacetate zS, Sigma-Aldrich®

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Allyl acetoacetate zS, Sigma-Aldrich®

Supplier: Merck

Allyl acetoacetate zS, Sigma-Aldrich®

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Glycidyl isopropyl ether zS

Supplier: Merck

Glycidyl isopropyl ether zS

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