8467 Results for: "VWR Chemicals"

Supplier: VWR Chemicals

Orthoboric acid 10 g/l in aqueous solution, VOLUSOL®, with indicator

Supplier: VWR Chemicals

Sulphuric acid 0.01 mol/l (0.02 N) in aqueous solution, AVS TITRINORM volumetric solution

Supplier: VWR Chemicals

Common source of salts for media propagation of many organisms.

Supplier: VWR Chemicals

Ethidium bromide solution is a fluorescent stain for visualising nucleic acids in solution or in electrophoresis gels. The solution is provided at a concentration of 0,625 mg/ml. A final working concentration of 0,5 g/ml is easily obtained by adding one drop of solution to 50 ml of molten agarose, running buffer or staining buffer. Ethidium bromide solution in dropper bottles may be stored at room temperature for up to one year.

Supplier: VWR Chemicals

1-Heptanesulphonic acid sodium salt ≥99%, HiPerSolv CHROMANORM® for HPLC

Supplier: VWR Chemicals

Calcium chloride 1 mol/l in aqueous solution, AVS TITRINORM volumetric solution

Supplier: VWR Chemicals

137 mM sodium chloride, 2,7 mM potassium chloride, 12 mM phosphate buffer

Supplier: VWR Chemicals

Nuclease-free water treated with diethylpyrocarbonate (DEPC) for nucleic acid applications.

Supplier: VWR Chemicals

2,6-Dichlorophenolindophenol sodium salt hydrate ACS analytical reagent

Supplier: VWR Chemicals

HEPES is a general purpose buffer available for biological research.

Supplier: VWR Chemicals

Copper(II) oxide ≥94%, powder, TECHNICAL

Supplier: VWR Chemicals

, anhydrous ≥98% ACS

Supplier: VWR Chemicals

Polyvinyl alcohol, M.W. 22,000 ≥98%, hydrolysed

Supplier: VWR Chemicals

N-(1-Naphthyl)ethylenediamine dihydrochloride ≥95%, GPR RECTAPUR®

Supplier: VWR Chemicals

This kit comprises materials for 40 tests.

Supplier: VWR Chemicals

Florisil® 30 - 60 mesh for chromatography

Supplier: VWR Chemicals

Na in H₂O tr.HNO₃.

Supplier: VWR Chemicals

Ammonium Standard, Ammonium standard solution, 1000 mg/L, VWR®, Matrix: H₂O, Application: Ion chromatography standards

Supplier: VWR Chemicals

SPECTRONORM solvents have extensive specifications to meet the highly demanding requirements of UV applications.

Supplier: VWR Chemicals

Sodium azide ≥99.0%, AnalaR NORMAPUR® analytical reagent

Supplier: VWR Chemicals

Zinc Standard, 1000 mg/L, VWR®, Zinc, Matrix: 2-5% HNO₃, Application: ICP-MS standards

Supplier: VWR Chemicals

Paramat Extra is a finely filtered blend of specially selected high purity paraffin wax with an addition of polymer to give improved embedding, tissue support and reliable sectioning. It contains a small amount (<1%) of DMSO which promotes improved tissue penetration with a more homogeneous matrix, especially useful for larger specimens. Residual moisture in the tissue and traces of intermedium are dispelled. The pastille shape makes for easy handling.

Supplier: VWR Chemicals

Silicone Oils 47 are polydimethylsiloxane oils, consisting of linear molecular chains of varying lengths whose groups comprise alternating silicone and oxygen atoms (the Si-O-Si siloxane bond). The silicone atoms are saturated by methyl groups – CH₃.

Supplier: VWR Chemicals

Tin(II) chloride dihydrate ≥98%, AnalaR NORMAPUR® analytical reagent (max. 0.05 ppm Hg)

Supplier: VWR Chemicals

EDTA (ethylenediamine tetraacetic acid) 98.0-100.5%, GPR RECTAPUR®

Supplier: VWR Chemicals

Malachite green oxalate for microscopy

Supplier: VWR Chemicals

Malachite green oxalate for microscopy (C.I. 42000)

Supplier: VWR Chemicals

The reagent is specially intended for use in testing Ph Eur and monographs. This solution was produced according 4.1.1 of Ph Eur specifications using Ph Eur reagent quality components and water meeting the Ph Eur monograph requirement for purified water.

Supplier: VWR Chemicals

Water Reag. Ph. Eur. 1095502 carbon dioxide-free

Supplier: VWR Chemicals

Sodium hydroxide 20% (w/w) in aqueous solution Reag. Ph. Eur. 1081401