10892 Résultats pour : "nmr solvent bdh"

Supplier: Avantor

n-Heptane ≥99.0% (par GC, corrigé de la teneur en eau) pour HPLC/UHPLC, pour spectrophotométrie, J.T.Baker®

Supplier: MP Biomedicals

Erythrosin B is a red, anionic xanthene dye.

Supplier: Merck

2-Aminoazotoluene, Supelco®

Supplier: Honeywell Chemicals

LabReady™ Solvent Blends

Supplier: Merck

Filter holder, Solvent dispensing bottle, polyethylene, 66 mm height

Supplier: Avantor Fluid Handling

Transfer aggressive organic solvents and high-purity fluids.

Supplier: SIGMA ALDRICH MICROSCOPY

Sudan II has been used to determine its presence in commercial spices such as hot chilli food samples (LC–ESI–MS/MS).

Supplier: Agilent

Standard for GC-MS, Solvents-plus checkout mix, 3×2 ml

Supplier: EHRENSTORFER

Benzotrifluorure

Supplier: LGC Standards PROMOCHEM

Benzotrifluorure

Supplier: EHRENSTORFER

1-[(2-Méthoxyphényl)azo]-2-naphtol

Supplier: VWR Chemicals

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

Supplier: Avantor

Cycle-Tap sampler is a device for sampling small quantities of solvent.

Supplier: Brady

Ultra high chemical resistance at high temperatures. Superior solvent resistance.

Supplier: Avantor

No matter what your requirements are for volumetric systems, HYDRA-POINT™ Karl Fischer reagents make water determination easy and trouble-free. They are pyridine-free and specially formulated for existing application procedures to give you consistent, reliable results for all types of samples.

Supplier: Brady

High Performance Polyester (B-488) withstands numerous solvents and variable temperatures when applied to various surfaces including stainless steel and polypropylene.

Supplier: Simport Scientific

Made of acetal and resistant to the chemical action of most histological solvents and suitable for automated printers.

Supplier: Merck

EMPLURA® is our low-cost alternative to high-purity qualities. With EMPLURA® we offer a range of solvents for a plurality of basic applications in non-regulated industries and for less demanding applications, preparative laboratory work and cleaning purposes. EMPLURA® solvents provide adequate specifications with the most important parameters.

Supplier: Apollo Scientific

For determination of enantiomeric excess of alcohols and amines by NMR.

Supplier: Avantor Fluid Handling

Specifically designed for use with hydrocarbons, petroleum products and distillates.

Supplier: Merck

Electroactive component in chloride-selective solvent polymeric membrane electrode

Supplier: MACRON AVANTOR BRAND

Suitable for Liquid Chromatography and UV-Spectrophotometry

Supplier: Merck

Plasticizer for solvent polymeric membranes in ion-selective electrodes.

Supplier: SIGMA ALDRICH MICROSCOPY

Reichardt′s dye belongs to the class of azo merocyanine dyes. Reichardt′s dye, also known as ET(30) or pyridinium N-phenoxyde betaine dye is a highly solvatochromic betaine dye useful for determining solvent polarity effects. It plays an important role as a probe of solvent polarity in biological systems and on surfaces. Reichardt’s dye, a solvatochromic betaine dye has been used for the determination of solvent polarity.

Supplier: Agilent

Bonded and cross-linked GC columns.

Supplier: Restek

PEEK washers for ASE 200

Supplier: Cytiva (Formerly Pall Lab)

Simplifies clean-up and degassing of mobile phase solvents and other solutions. The versatile design fits most HPLC bottles, flasks, and containers, and eliminates the added steps of washing flasks and transferring mobile phase solvent from flask to reservoir.

Supplier: LGC Standards PROMOCHEM

Purity estimate obtained by subtraction from 100% of total impurities by GC-FID, thermogravimetric analysis, Karl Fischer analysis and 1H NMR is 99,1 ± 1,4% mass fraction, (95% coverage interval). Supporting evidence is provided by elemental microanalysis.

Supplier: Brady

High-performance polyester (B-488) withstands numerous solvents and variable temperatures when applied to various surfaces, including stainless steel and polypropylene.

Supplier: Merck

Organic Standard, Urea-13C,15N2 solution, (99 atom % 13C, 98 atom % 15N), NMR tube size 5 mm x 7 in.