Hai cercato: Reagenti e titolanti per Karl Fischer

Supplier: VWR Chemicals

The volumetric and coulometric reagents are buffered systems, stabilised around the ideal value between 5 to 7 ensuring a rapid and stoichiometric course of reaction. Buffering systems which neutralise and stabilise the pH during the reaction are suitable for this purpose.

Supplier: VWR Chemicals

Questi reagenti sono particolarmente adatti per la determinazione dell'acqua in aldeidi e chetoni.

Supplier: VWR Chemicals

Medium for volumetric two-component Karl Fischer titration (methanol-based), Free of imidazole (free of CMR substances)

Supplier: VWR Chemicals

Medium for volumetric two-component Karl Fischer titration (ethanol-based), Free of imidazole (free of CMR substances)

Supplier: VWR Chemicals

Entrambe le soluzioni anolita e catolita hanno una formulazione migliorata per aumentare la velocità e l'accuratezza della titolazione nella determinazione del contenuto di acqua a livello di microgrammi.

Supplier: Merck

The Aquastar® range is designed to provide reagents for the determination of water by Karl Fischer titration of a wide range of substrates and by a variety of methodologies. These include reagents for one- or two-component systems; combined coulometric reagents; solvents for oils and fats; reagents and solvents for determination of water in ketones and aldehydes. Calibration standards are also available.

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: VWR Chemicals

Catholyte for coulometric Karl Fischer titration of ketones and Li-ion battery electrolytes, Acetonitrile-based, free of alcohols (free of CMR substances).

Supplier: PanReac AppliChem

AQUAMETRIC titrant 2 for volumetric analysis, Glass bottle

Supplier: Honeywell Chemicals

Anolyte for coulometric Karl Fischer titration of ketones and Li-ion battery electrolytes, preferred for cells with diaphragm, acetonitrile-based, free of alcohols (free of CMR substances)

Supplier: Honeywell Chemicals

Catholyte for coulometric Karl Fischer titration of ketones and Li-ion battery electrolytes, Acetonitrile-based, free of alcohols (free of CMR substances)

Supplier: Honeywell Chemicals

Coulomat oil is a reagent for coulometric KF titration in oils (anolyte solution), preferred to use for the cells with diaphragm.

Supplier: Honeywell Chemicals

Liquid buffer medium for Karl Fischer titration in alkaline samples (based on salicylic acid).

Supplier: Honeywell Chemicals

Benzoic acid, HYDRANAL™, Bottiglia di vetro, 1× 500 g

Supplier: Honeywell Chemicals

Buffer acid buffer substance for KF titration, HYDRANAL™, Glass bottle, narrow mouth

Supplier: Honeywell Chemicals

Anolyte for coulometric Karl Fischer titration, for cells with and without diaphragm, Methanol-based, free of Imidazole (free of CMR substances).

Supplier: Honeywell Chemicals

Karl fischer reagents can be used for for pyridine-based volumetric KF titration.

Supplier: Honeywell Chemicals

Medium for volumetric two-component Karl Fischer titration (ethanol or methanol based), Free of imidazole (free of CMR substances)

Supplier: Honeywell Chemicals

HYDRANAL™ Humidity absorber is a drying agent for air and gases for Karl Fischer titration (with indicator).

Supplier: Honeywell Chemicals

Coulometric Karl Fischer titrations normally require two reagent solutions: an anolyte (the solution in the anodic compartment) and a catholyte (the solution in the cathodic compartment).

Supplier: Honeywell Chemicals

HYDRANAL™-Composite is a frequently used pyridine-free Karl Fischer reagent. This one-component reagent has been proving its capabilities in volumetric titration for more than thirty five years in a large range of applications in the most diverse fields of research and industry.

The one component system have the following advantages: