Supplier: VWR Chemicals

The tightening of regulatory requirements and the increasing demands of QA/QC methodology is becoming more important across all market sectors. The demand for standards to support testing methods continues to increase, and this growth applies to water determination according to Karl Fischer. Avantor now offers a complete range of Karl Fischer water standards as CRMs to calibrate and monitor equipment and check test results.

Supplier: VWR Chemicals

Both anolyte and catholyte solutions are with improved formulation to increase the speed and accuracy of titration when determining water content at the microgram level.

Supplier: LGC Standards PROMOCHEM

This solution is intended for use as a certified reference material in the determination of water in motor oil by Karl Fischer titration.

Supplier: VWR Chemicals

These reagents are ideal for water determination including the analysis of aldehydes and ketones.

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

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: SI Analytics

These very compact, easy to operate instruments are ideal for coulometric water determination according to Karl Fischer in low water content, as well as for bromine number determination. They are suitable for small liquid or gaseous sample amounts, and can be used for quality control in the chemical, petrochemical, pharmaceutical and food industries.

Supplier: Avantor

Karl Fischer reagent for moisture titration. Lot analysis on label.

Supplier: Mettler - Toledo

This all-round Karl Fischer coulometer is a flexible and powerful instrument for fast and precise water determination of samples from any industry with a water content between 1 ppm and 5%. Up to 14 samples can be titrated in unattended operation with the Stromboli oven sample changer. Repeatability and efficiency is significantly improved and operation becomes simple, as Stromboli is fully controlled by the titrator.

Supplier: Mettler - Toledo

The DO308 drying oven is the ideal accessory for the METTLER TOLEDO volumetric or coulometric Karl Fischer titrators. It allows easy and accurate water determination of solid or viscous samples.

Supplier: PanReac AppliChem

AQUAMETRIC titrant 2 for volumetric analysis, Glass bottle

Supplier: Mettler - Toledo

This volumetric KF titrator is ideal for fast and precise water content determination with easy operation. Samples with water content between 100 ppm and 100% are analysed in single measurements or sample series with statistics.

Supplier: Mettler - Toledo

The C10S KF coulometric titrators are ideal for fast and precise water content determination with very simple operation. Samples with water content between 1 ppm and 5% are analysed in single measurements or as sample series with statistics.

Supplier: Hach

The TitraLab® KF1000 from Hach enables users to easily and quickly perform moisture content determinations. The automatic system requires only small sample quantities to deliver accurate and precise results for water content applications. The KF1000 utilises the application specific kit to make it quick and easy for anyone to set up and operate a test.

Supplier: Mettler - Toledo

In combination with a V30 or C30 Karl Fischer titrator the Stromboli sample changer enables up to 14 samples to be titrated in unattended operation. The samples are automatically transferred into a temperature controlled oven from where the evolved water is transferred to the titration cell via an applied gas flow.

Supplier: Avantor

di-Sodium L(+)-tartrate dihydrate 99.0-101.0%, crystals, BAKER ANALYZED® ACS suitable for standardization of Karl Fischer reagents, J.T.Baker®

Supplier: Mettler - Toledo

A modular titrator for general and volumetric Karl Fischer titration including multi tasking, flexible method editing, upgradeability (additional pH-sensor or conductivity board or T90 functionality) and method loops for the integration of various methods into one. A flexible and expandable system which is easily adaptable to current and future needs.

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: LGC Standards PROMOCHEM

Purity estimate obtained by quantitative NMR against an internal standard of dimethyl sulphone is 84,6 ± 1,5% mass fraction, (95% coverage interval). Supporting evidence is provided by HPLC with UV detection, Karl Fischer analysis and theromogravimetric analysis.

Supplier: LGC Standards PROMOCHEM

The purity value obtained from a combination of traditional analytical techniques is 99,6 ± 1,4% mass fraction, (95% coverage interval). The purity estimate by traditional analytical techniques was obtained by subtraction from 100% of total impurities by GC-FID, thermogravimetric analysis, Karl Fischer analysis and 1H NMR and also supported by elemental microanalysis.

Supplier: LGC Standards PROMOCHEM

Purity estimate obtained by subtraction from 100% of total impurities by HPLC with UV detection, thermogravimetric analysis, Karl Fischer analysis and 1H NMR analysis is 96,1 ± 4,0% mass fraction, (95% coverage interval). Supporting evidence is provided by elemental microanalysis and quantitative NMR using certified triphenylphosphine oxide as internal standard.

Supplier: DOEHLER GROUP

Complex agar for the enumeration of the total plate count, e.g. in water as per DEV (Deutsche Einheitsverfahren - German standard published by DIN). The nutrient agar in accordance with DEV is suitable for cultivation and determining the total bacterial count of bacteria with average nutrient needs in water and foods.

Supplier: LGC Standards PROMOCHEM

The purity estimate by traditional analytical techniques was obtained by subtraction from 100% of total impurities by HPLC with UV detection, Karl Fischer analysis, thermogravimetric analysis and 1H NMR is 99,3 ± 1,3% mass fraction, (95% coverage interval). Supporting evidence is provided by elemental microanalysis.

Supplier: SI Analytics

The Titroline® 7750 is the all-rounder for both potentiometric titration and volumetric KF titration. The titrator combines the features of the potentiometric titrator TitroLine® 7000 and the volumetric Karl Fischer titrator TitroLine® 7500.

Supplier: GLASWARENFABRIK KARL HECHT

Dissolved oxygen bottles acc. to Winkler, glass, clear, for the determination of oxygen dissolved in water.

Supplier: LGC Standards PROMOCHEM

Purity estimate obtained from a combination of traditional analytical techniques is 99,3 ± 0,6% mass fraction, (95% coverage interval). The purity estimate by traditional analytical techniques was obtained by subtraction from 100% of total impurities by GC-FID, and Karl Fischer analysis. Supporting evidence is provided by elemental microanalysis and 1H NMR analysis.

Supplier: SI Analytics

The Titroline® 7800 enhanced the universal features of the TitroLine® 7750 (potentiometric titration and volumetric KF titration), with an additional IDS measurement socket. Hence the TitroLine® 7800 is able to perform potentiometric titrations with analogue or IDS® electrodes as well as volumetric Karl Fischer titrations. The digital (IDS) measurement socket allows the connection of various digital sensors, such as for measuring of conductivity.

Supplier: SI Analytics

TitroLine® 7500 KF is a volumetric generalist for a wide range of uses. Applications include KF volumetry, dead-stop titrations (SO₂, bromine number), dosing tasks and preparation of solutions. Ideal for KF analysis in pharmaceutical, chemical, food and mineral oil industries.

Supplier: VWR Collection

Borosilicate glass 3.3, used for the determination of water and sediments in crude oils according to test method ASTM D 96.

Supplier: SIGMA ALDRICH MICROSCOPY

Ozone-scavenging reagent that reacts rapidly with ozone. Potassium indigotrisulfonate has been used: In colorimetric method of measurement of atmospheric ozone, for measuring residual aqueous ozone by gas diffusion flow injection analysis, to determine O₃ concentration in water.