227021 výsledků pro: "Merck"

Supplier: Merck

p-Xylen, EMSURE® ISO for analysis, Supelco®

Supplier: Merck

Tetrahydroboritan sodný, fine-granular for synthesis, Sigma-Aldrich®

Supplier: Merck

Acetonitril ≥99.8%, SupraSolv® for GC-MS

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.

Supplier: Merck

Oxid titanatý, Patinal®

Supplier: Merck

(±)-Methyl-2,3-dichloropropionate

Supplier: Merck

(4-Carboxybutyl)triphenylphosphonium bromide, Sigma-Aldrich®

Supplier: Merck

For absorption of acids, alkalis or solvents. Thanks to its large surface area, the powder absorbs a very large amount of liquid. Low viscosity liquids are absorbed instantaneously, highly viscous media (glycerine, oils) within a few minutes.

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.

Supplier: Merck

Dipropyleneglycol monomethyl ether (mixture of isomers) for synthesis, Sigma-Aldrich®

Supplier: Merck

(Methoxymethyl)triphenylphosphonium chloride for synthesis, Sigma-Aldrich®

Supplier: Merck

Glycidyl isopropyl ether for synthesis

Supplier: Merck

Test kits for quick, semi-quantitative analysis in situ, without the expense of transporting samples to the laboratory. Simple step by step illustrated instructions mean the kits can be used without special chemical training.

Supplier: Merck

Quick tests, visual colour comparison.

Supplier: Merck

Quick tests for visual colour comparison.

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

Supplier: Merck

Test kit, Indicator buffer tablets

Supplier: Merck

Poly(methyl hydrogen siloxane) for synthesis, Sigma-Aldrich®

Supplier: Merck

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

Supplier: Merck

4-chlorfenol for synthesis

Supplier: Merck

Mesityloxid, Sigma-Aldrich®

Supplier: Merck

m-Anisaldehyde for synthesis, Sigma-Aldrich®

Supplier: Merck

Methylenová modř Reag. Ph. Eur., Supelco®

Supplier: Merck

Standardy - vápník, 10000 mg/L, Certipur®, Supelco®, Kalcium, Matrice: 2-3% HNO₃, Aplikace: Standardy ICP

Supplier: Merck

The LuxPlate® range of high fluorescence TLC plates contains an increased amount of fluorescent dye making it easier to identify small amounts of isolated material. Furthermore, the amount of binder added is elevated, resulting in a significantly brighter TLC plate with an even more stable and robust surface.

Supplier: Merck

Nickel(II) acetylacetonate for synthesis, Sigma-Aldrich®

Supplier: Merck

Izoniazid for synthesis, Sigma-Aldrich®

Supplier: Merck

2-Nitrofenol for synthesis, Sigma-Aldrich®

Supplier: Merck

D-(+)-Malic acid for synthesis, Sigma-Aldrich®

Supplier: Merck

1,2-Ethanedithiol ≥99.0% (by GC) for synthesis, Sigma-Aldrich®