179044 Results for: "Merck"
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
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
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®
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®
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®
Supplier: Merck
For the detection of Helicobacter pylori and Spirochetes in paraffin sections
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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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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®
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®