179513 Results for: "Merck"

Supplier: Merck

(±)-2-Nonanol for synthesis, Sigma-Aldrich®

Supplier: Merck

Cyclopentane for synthesis, Sigma-Aldrich®

Supplier: Merck

N,O-Bis(trimethylsilyl)acetamide, Sigma-Aldrich®

Supplier: Merck

Sodium borohydride for synthesis, Sigma-Aldrich®

Supplier: Merck

Dehydroacetic acid for synthesis, Sigma-Aldrich®

Supplier: Merck

2-Ethyl-9,10-anthraquinone for synthesis, Sigma-Aldrich®

Supplier: Merck

1-Octadecene for synthesis, Sigma-Aldrich®

Supplier: Merck

Copper(II) sulphate pentahydrate, EMSURE® ACS, ISO, Reag. Ph. Eur. for analysis, Supelco®

Supplier: Merck

Cyclohexane, LiChrosolv® for HPLC, 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.

Supplier: Merck

Calcium fluoride

Supplier: Merck

1,4-Dioxane stabilised, EMPLURA®, 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.

Supplier: Merck

Bromocresol purple ACS, Reag. Ph. Eur., Supelco®

Supplier: Merck

Haematoxylin solution modified acc. to Gill III

Supplier: Merck

, anhydrous ≥99.99% (metals basis), Suprapur® for trace analysis, Supelco®

Supplier: Merck

Cobalt(II) acetate tetrahydrate

Supplier: Merck

Potassium hydrogen phthalate, Certipur® Reag. Ph. Eur., Reag. USP volumetric standard, secondary reference material for alkalimetry, Supelco®

Supplier: Merck

Chloramine-T (sodium salt) trihydrate ACS, Reag. Ph. Eur. analytical reagent, Supelco®

Supplier: Merck

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

Supplier: Merck

Mercury(II) sulphate 200 g/l in diluted sulphuric acid for COD determination, Supelco®

Supplier: Merck

Mercury analytical reagent, Supelco®

Supplier: Merck

Mercury, Suprapur® for trace analysis, Supelco®

Supplier: Merck

Potassium hydroxide, pellets, EMSURE® for analysis, Supelco®

Supplier: Merck

For full details of specification and hazards please see www.vwr.com or the VWR Chemicals catalogues

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.

Supplier: Merck

Copper Standard, 1000 mg/L, Certipur®, Supelco®, Copper, Matrix: 0,5 M HNO₃, Application: AAS standards

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.

Supplier: Merck

LiChrosorb® is one of the most successful HPLC packing materials. It is a totally porous, irregular particle silica gel produced with pore sizes of 60 and 100 Å. LiChrosorb® HPLC columns are available either as a cartridge, requiring re-usable endfittings, or as a complete end-fitted column.

Supplier: Merck

Titanium Standard, 1000 mg/L, Certipur®, Supelco®, Titanium, Matrix: H₂O, Application: ICP standards