Karl Fischer Titration

Reagents & Chemicals

The term "Karl Fischer Titration" can be traced back to the beginnings of the quantitive determination of water in 1935. The "Karl Fischer method" was practiced for the first time by German chemist Karl Fischer and manifested itself in several pharmacopoeias since then.

Initially water was titrated with an anhydrous methanolic solution of iodine, sulfur dioxide and pyridine in this method. In 1982 Eugen Scholz changed this procedure by adding basic components such as imidazole or acidic components such as salicylic acid. This modified method is still an essential part of everyday laboratory work.

In the Analytics-Shop you will find numerous reagents for Karl Fischer titration, such as the product line Hydranal by manufacturer Honeywell. It includes, for example, various one- and two-component reagents for volumetric titration, reagents for coulometric titration with and without diaphragm, ethanol-based reagents and much more.

Should you ever not be able to find the correct item or have any questions concerning our products, do not hesitate to contact us - our expert team is always happy to help.

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Product Image of HYDRANAL Composite 1 Reagent, volum. one-component KF Tit. (Methanol free), Glass Bottle, 6 x 500 ml
HYDRANAL Composite 1 Reagent, volum. one-component KF Tit. (Methanol free), Glass Bottle, 6 x 500 ml
Item number: FL34827-6X500ML
Brand: Fluka

In stock

€661.40
Product Image of HYDRANAL Composite 1 Reagent, volum. one-component KF Tit. (Methanol free), Glass Bottle, 6 x 1L
HYDRANAL Composite 1 Reagent, volum. one-component KF Tit. (Methanol free), Glass Bottle, 6 x 1L
Item number: FL34827-6X1L
Brand: Fluka

In stock

€1,004.37
Product Image of HYDRANAL Composite 1 Reagent, volum. one-component KF Tit. (methanol free), Glass Bottle, 500 ml
HYDRANAL Composite 1 Reagent, volum. one-component KF Tit. (methanol free), Glass Bottle, 500 ml
Item number: FL34827-500ML
Brand: Fluka

In stock

€126.91
Product Image of HYDRANAL Composite 1 Reagent, volum. one-component KF Tit. (Methanol free), Glass Bottle, 1 L
HYDRANAL Composite 1 Reagent, volum. one-component KF Tit. (Methanol free), Glass Bottle, 1 L
Item number: FL34827-1L
Brand: Fluka

In stock

€191.71
Product Image of HYDRANAL Coulomat CG-K reagent for coulometric KF titration in ketones (catholyte sol.), 6 x 50ml
HYDRANAL Coulomat CG-K reagent for coulometric KF titration in ketones (catholyte sol.), 6 x 50ml
Item number: FL34821-6X50ML
Brand: Fluka

In stock

€1,801.48
Product Image of HYDRANAL Coulomat CG-K reagent for coulometric KF titration in ketones (catholyte sol.), 50ml
HYDRANAL Coulomat CG-K reagent for coulometric KF titration in ketones (catholyte sol.), 50ml
Item number: FL34821-50ML
Brand: Fluka

In stock

€341.29
Product Image of HYDRANAL Coulomat AK reagent for coulometric KF Tit. in ketones, Glass Bottle, 6 x 500ml
HYDRANAL Coulomat AK reagent for coulometric KF Tit. in ketones, Glass Bottle, 6 x 500ml
Item number: FL34820-6X500ML
Brand: Fluka

In stock

€1,941.95
Product Image of HYDRANAL Coulomat AK reagent for coulometric KF Tit. in ketones, Glass Bottle, 500 ml
HYDRANAL Coulomat AK reagent for coulometric KF Tit. in ketones, Glass Bottle, 500 ml
Item number: FL34820-500ML
Brand: Fluka

In stock

€387.84
Product Image of HYDRANAL Composite 5 K Reag., volum. one-comp. KF Tit. in aldehydes&ketones, Glass Bottle, 6 x 500ml
HYDRANAL Composite 5 K Reag., volum. one-comp. KF Tit. in aldehydes&ketones, Glass Bottle, 6 x 500ml
Item number: FL34816-6X500ML
Brand: Fluka

In stock

€695.47
Product Image of HYDRANAL Composite 5 K Reag., volum. one-comp. KF Tit. in aldehydes&ketones, Glass Bottle, 6 x 1L
HYDRANAL Composite 5 K Reag., volum. one-comp. KF Tit. in aldehydes&ketones, Glass Bottle, 6 x 1L
Item number: FL34816-6X1L
Brand: Fluka

In stock

€1,036.08
Product Image of HYDRANAL Composite 5 K Reag., volum. one-comp. KF Tit. in aldehydes&ketones, Glass Bottle, 500 ml
HYDRANAL Composite 5 K Reag., volum. one-comp. KF Tit. in aldehydes&ketones, Glass Bottle, 500 ml
Item number: FL34816-500ML
Brand: Fluka

In stock

€133.24
Product Image of HYDRANAL Composite 5 K Reag., volum. one-comp. KF Tit. in aldehydes&ketones, Glass Bottle, 4 x 2.5L
HYDRANAL Composite 5 K Reag., volum. one-comp. KF Tit. in aldehydes&ketones, Glass Bottle, 4 x 2.5L
Item number: FL34816-4X2.5L
Brand: Fluka

In stock

€1,596.23
Product Image of HYDRANAL Composite 5 K Reag., volum. one-comp. KF Tit. in aldehydes&ketones, Glass Bottle, 2.5 L
HYDRANAL Composite 5 K Reag., volum. one-comp. KF Tit. in aldehydes&ketones, Glass Bottle, 2.5 L
Item number: FL34816-2.5L
Brand: Fluka

In stock

€460.09
Product Image of HYDRANAL Composite 5 K Reag., volum. one-comp. KF Tit. in aldehydes&ketones, Glass Bottle, 1 L
HYDRANAL Composite 5 K Reag., volum. one-comp. KF Tit. in aldehydes&ketones, Glass Bottle, 1 L
Item number: FL34816-1L
Brand: Fluka

In stock

€198.84
Product Image of HYDRANAL Standard 5.0, volum. KF Tit. (water ~5.8 mg/g), Glass Bottle, 6 x 500 ml
HYDRANAL Standard 5.0, volum. KF Tit. (water ~5.8 mg/g), Glass Bottle, 6 x 500 ml
Item number: FL34813-6X500ML
Brand: Fluka
€525.21
Product Image of HYDRANAL Standard 5.0, volum. KF Tit. (water ~5.8 mg/g), Glass Bottle, 6 x 100 ml
HYDRANAL Standard 5.0, volum. KF Tit. (water ~5.8 mg/g), Glass Bottle, 6 x 100 ml
Item number: FL34813-6X100ML
Brand: Fluka

In stock

€229.29
Product Image of HYDRANAL Eichstandard 5.0, Glass Bottle, 500 ml
HYDRANAL Eichstandard 5.0, Glass Bottle, 500 ml
Item number: FL34813-500ML
Brand: Fluka
€100.28
Product Image of HYDRANAL Solvent CM reagent, volum. two-component KF Tit. in oils, Glass Bottle, 6 x 1L
HYDRANAL Solvent CM reagent, volum. two-component KF Tit. in oils, Glass Bottle, 6 x 1L
Item number: FL34812-6X1L
Brand: Fluka

In stock

€588.88
Product Image of HYDRANAL Solvent CM reagent, volum. two-component KF Tit. in oils, Glass Bottle, 4 x 2.5L
HYDRANAL Solvent CM reagent, volum. two-component KF Tit. in oils, Glass Bottle, 4 x 2.5L
Item number: FL34812-4X2.5L
Brand: Fluka

In stock

€892.20
Product Image of HYDRANAL Solvent CM reagent, volum. two-component KF Tit. in oils, Glass Bottle, 2.5 L
HYDRANAL Solvent CM reagent, volum. two-component KF Tit. in oils, Glass Bottle, 2.5 L
Item number: FL34812-2.5L
Brand: Fluka

In stock

€246.84
Product Image of HYDRANAL Solvent CM reagent, volum. two-component KF Tit. in oils, Glass Bottle, 1 L
HYDRANAL Solvent CM reagent, volum. two-component KF Tit. in oils, Glass Bottle, 1 L
Item number: FL34812-1L
Brand: Fluka

In stock

€112.89
Product Image of HYDRANAL Titrant 2 Reagent for volumetric two-component KF Tit., Glass Bottle, 6 x 500ml
HYDRANAL Titrant 2 Reagent for volumetric two-component KF Tit., Glass Bottle, 6 x 500ml
Item number: FL34811-6X500ML
Brand: Fluka

In stock

€378.01
Product Image of HYDRANAL Titrant 2 Reagent for volumetric two-component Karl Fischer titration, Glass Bottle, 6 x 1L
HYDRANAL Titrant 2 Reagent for volumetric two-component Karl Fischer titration, Glass Bottle, 6 x 1L
Item number: FL34811-6X1L
Brand: Fluka

In stock

€575.41
Product Image of HYDRANAL Titrant 2, (methanol-based), Glass Bottle, 500 ml
HYDRANAL Titrant 2, (methanol-based), Glass Bottle, 500 ml
Item number: FL34811-500ML
Brand: Fluka

In stock

€72.64
Product Image of HYDRANAL Titrant 2 Reagent for volumetric two-component KF Tit., Glass Bottle, 4 x 2.5L
HYDRANAL Titrant 2 Reagent for volumetric two-component KF Tit., Glass Bottle, 4 x 2.5L
Item number: FL34811-4X2.5L
Brand: Fluka
€870.39
Product Image of HYDRANAL Titrant 2 Reagent for volumetric two-component Karl Fischer titration, Glass Bottle, 2.5 L
HYDRANAL Titrant 2 Reagent for volumetric two-component Karl Fischer titration, Glass Bottle, 2.5 L
Item number: FL34811-2.5L
Brand: Fluka

In stock

€249.72
Product Image of HYDRANAL Titrant 2 Reagent for volumetric two-component Karl Fischer titration, Glass Bottle, 1 L
HYDRANAL Titrant 2 Reagent for volumetric two-component Karl Fischer titration, Glass Bottle, 1 L
Item number: FL34811-1L
Brand: Fluka

In stock

€109.87
Product Image of HYDRANAL Coulomat AD reagent for coulometric KF titration (anolyte sol.), Glass Bottle, 6 x 500ml
HYDRANAL Coulomat AD reagent for coulometric KF titration (anolyte sol.), Glass Bottle, 6 x 500ml
Item number: FL34810-6X500ML
Brand: Fluka

In stock

€1,050.87
Product Image of HYDRANAL Coulomat AD, Glass Bottle, 500 ml
HYDRANAL Coulomat AD, Glass Bottle, 500 ml
Item number: FL34810-500ML
Brand: Fluka

In stock

€193.37
Product Image of HYDRANAL Coulomat A reagent for coulometric KF titration (anolyte sol.), Glass Bottle, 6 x 500ml
HYDRANAL Coulomat A reagent for coulometric KF titration (anolyte sol.), Glass Bottle, 6 x 500ml
Item number: FL34807-6X500ML
Brand: Fluka

In stock

€802.76
Product Image of HYDRANAL Coulomat A, Glass Bottle, 500 ml
HYDRANAL Coulomat A, Glass Bottle, 500 ml
Item number: FL34807-500ML
Brand: Fluka

In stock

€148.08
Product Image of HYDRANAL Composite 2 Reagent, volum. one-component KF Tit. (Methanol free), Glass Bottle, 6 x 500 ml
HYDRANAL Composite 2 Reagent, volum. one-component KF Tit. (Methanol free), Glass Bottle, 6 x 500 ml
Item number: FL34806-6X500ML
Brand: Fluka

In stock

€687.16
Product Image of HYDRANAL Composite 2 Reagent, volum. one-component KF Tit. (Methanol free), Glass Bottle, 6 x 1 L
HYDRANAL Composite 2 Reagent, volum. one-component KF Tit. (Methanol free), Glass Bottle, 6 x 1 L
Item number: FL34806-6X1L
Brand: Fluka

In stock

€1,004.37
Product Image of HYDRANAL Composite 2 Reagent, volum. one-component KF Tit. (methanol free), Glass Bottle, 500 ml
HYDRANAL Composite 2 Reagent, volum. one-component KF Tit. (methanol free), Glass Bottle, 500 ml
Item number: FL34806-500ML
Brand: Fluka

In stock

€133.60
Product Image of HYDRANAL Composite 2 Reagent, volum. one-component KF Tit. (Methanol free), Glass Bottle, 4 x 2.5 L
HYDRANAL Composite 2 Reagent, volum. one-component KF Tit. (Methanol free), Glass Bottle, 4 x 2.5 L
Item number: FL34806-4X2.5L
Brand: Fluka

In stock

€1,406.75
Product Image of HYDRANAL Composite 2 Reagent, volum. one-component KF Tit. (methanol free), Glass Bottle, 2.5 L
HYDRANAL Composite 2 Reagent, volum. one-component KF Tit. (methanol free), Glass Bottle, 2.5 L
Item number: FL34806-2.5L
Brand: Fluka

In stock

€418.89
Product Image of HYDRANAL Composite 5 Reagent, volum. one-component KF Tit. (Methanol free), Glass Bottle, 6 x 500 ml
HYDRANAL Composite 5 Reagent, volum. one-component KF Tit. (Methanol free), Glass Bottle, 6 x 500 ml
Item number: FL34805-6X500ML
Brand: Fluka

In stock

€687.16
Product Image of HYDRANAL Composite 5 Reagent, volum. one-component KF Tit. (Methanol free), Glass Bottle, 6 x 1 L
HYDRANAL Composite 5 Reagent, volum. one-component KF Tit. (Methanol free), Glass Bottle, 6 x 1 L
Item number: FL34805-6X1L
Brand: Fluka

In stock

€1,043.50
Product Image of HYDRANAL Composite 5 Reagent, volum. one-component KF Tit. (methanol free), Glass Bottle, 500 ml
HYDRANAL Composite 5 Reagent, volum. one-component KF Tit. (methanol free), Glass Bottle, 500 ml
Item number: FL34805-500ML
Brand: Fluka

In stock

€126.91
Product Image of HYDRANAL Composite 5 Reagent, volum. one-component KF Tit. (Methanol free), Glass Bottle, 4 x 2.5 L
HYDRANAL Composite 5 Reagent, volum. one-component KF Tit. (Methanol free), Glass Bottle, 4 x 2.5 L
Item number: FL34805-4X2.5L
Brand: Fluka

In stock

€1,406.75
Product Image of HYDRANAL Composite 5 Reagent, volum. one-component KF Tit. (methanol free), Glass Bottle, 2.5 L
HYDRANAL Composite 5 Reagent, volum. one-component KF Tit. (methanol free), Glass Bottle, 2.5 L
Item number: FL34805-2.5L
Brand: Fluka

In stock

€403.19
Product Image of HYDRANAL Buffer Acid Buffer substance for KF titration, Glass Bottle, 6 x 500ml
HYDRANAL Buffer Acid Buffer substance for KF titration, Glass Bottle, 6 x 500ml
Item number: FL34804-6X500ML
Brand: Fluka

In stock

€442.80
Product Image of HYDRANAL Buffer 0,5mol/l, Glass Bottle, 500 ml
HYDRANAL Buffer 0,5mol/l, Glass Bottle, 500 ml
Item number: FL34804-500ML
Brand: Fluka

In stock

€84.80
Product Image of HYDRANAL - Sodium tartrate dihydrate, Test substance KF Tit., Plastic Bottle, 6 x 100 g
HYDRANAL - Sodium tartrate dihydrate, Test substance KF Tit., Plastic Bottle, 6 x 100 g
Item number: FL34803-6X100G
Brand: Fluka

In stock

€379.08
Product Image of HYDRANAL - Sodium tartrate dihydrate, Test substance KF Tit., Plastic Bottle, 100 g
HYDRANAL - Sodium tartrate dihydrate, Test substance KF Tit., Plastic Bottle, 100 g
Item number: FL34803-100G
Brand: Fluka

In stock

€72.72
Product Image of HYDRANAL Water-in-methanol 5.0, volum. back Tit. KF, 5.00 mg/mL±0.05 mg/mL, Glass Bottle, 500 ml
HYDRANAL Water-in-methanol 5.0, volum. back Tit. KF, 5.00 mg/mL±0.05 mg/mL, Glass Bottle, 500 ml
Item number: FL34802-500ML
Brand: Fluka

In stock

€59.41
Product Image of HYDRANAL Water-in-Methanol 5.0, volum. back Tit. KF, 5.00 mg/mL±0.05 mg/mL, Glass Bottle, 1 L
HYDRANAL Water-in-Methanol 5.0, volum. back Tit. KF, 5.00 mg/mL±0.05 mg/mL, Glass Bottle, 1 L
Item number: FL34802-1L
Brand: Fluka

In stock

€84.60
Product Image of HYDRANAL Titrant 5 Reagent for volumetric two-component KF Tit., Glass Bottle, 6 x 500ml
HYDRANAL Titrant 5 Reagent for volumetric two-component KF Tit., Glass Bottle, 6 x 500ml
Item number: FL34801-6X500ML
Brand: Fluka

In stock

€378.01
Product Image of HYDRANAL Titrant 5 Reagent for volumetric two-component Karl Fischer titration, Glass Bottle, 6 x 1L
HYDRANAL Titrant 5 Reagent for volumetric two-component Karl Fischer titration, Glass Bottle, 6 x 1L
Item number: FL34801-6X1L
Brand: Fluka

In stock

€575.41
Product Image of HYDRANAL Titrant 5 Reagent for volumetric two-component Karl Fischer titration, Glass Bottle, 500 ml
HYDRANAL Titrant 5 Reagent for volumetric two-component Karl Fischer titration, Glass Bottle, 500 ml
Item number: FL34801-500ML
Brand: Fluka

In stock

€76.47

Fundamentals - One & Two Component Reagents

As mentioned aforehand, the reagents based on the Karl Fischer method are to be divided into two different groups. On the one hand, there are so-called one-component reagents which are particularly suitable for the volumetric Karl Fischer titration of water. They include all components such as iodine, sulfur dioxide and imidazole (dissolved in alcohol). Great popularity among users experiences this type of reagents especially because of its easy handling since the components are already mixed to a singular solution. On the other hand there are two-component reagents which are build up slightly differently. Just like the one-component variant, they contain all the needed ingredients, however, divided into two separate solutions. This consists of a solution of sulfur dioxide, imidazole and methanol and a titrant - consisting of iodine and a water equivalent titrant. Both solutions are needed for the volumetric Karl Fischer titration and because of the separate solutions, the two-component version is slightly more complex.