Aquamicron

Your advantages

Suitable: for a1 devices, but also for devices from other manufacturers

Conformity: supplied with certificate of analysis

Reliable water content determination: in all measuring ranges

Resource protection

Sustainability: long shelf life. Production and best-before date on the label

Compatibility: with all Karl Fischer measuring devices, including those from other manufacturers

Easy handling

Get started right away: thanks to ready-to-use packaging units

Standards: available in solid and liquid

Large selection of reference materials

Accurate measurements with high endpoint stability

Our service for you

Comprehensive training: we take over the induction of your employees

Also there for you after the purchase: many questions only arise during work. We are here to answer all your questions about the device and your measurement

Unique: measuring devices and reagents from a single source

Coulometric application

Coulometric Karl Fischer reagents

Coulometric Karl Fischer reagents are used for moisture determination. E.g. in:

organic solvents
inorganic chemicals
oil products
Gases
Ketones
Silicone oils
lower carboxylic acids
Aldehydes
Aromatics
Alcohols
Ester
Ethers
Benzene
Toluene

There are: the anolyte (generating solution), which is added to the anode chamber of the electrolytic cell, and the catholyte (counter-electrolyte), which is added to the cathode chamber. There are also special anolytes for use with ketones, lower carboxylic acids and silicone oils. Aquamicron reagents can be used in coulometric moisture measurement systems from various manufacturers and are known worldwide for their excellent performance.

The various reagents:

AXI / AX / AX01 for general use: organic solvents, inorganic chemicals, oils, petroleum products, various types of gases, etc.
AS for oils: Naphtha, gasoline, diesel oil, electrical insulating oil, etc.
AKX for ketones: ketones, silicone oils, low carboxylic acids, etc.
CXU for Katholyt: AX as well as AS and AKX can be combined
FLS for fritless cell: organic solvents, inorganic gases, etc.

Common reagent combinations are:
Aquamicron AXI/CXU or AX/CXU
Aquamicron AS/CXU
Aquamicron AKX/CXU
Aquamicron FLS

The coulometric Karl Fischer titration can be carried out with the CA-310 or CA-31 devices.

Volumetric application

Volumetric Karl Fischer reagents

Volumetric Karl Fischer reagents are used for moisture determination in alcohols, amines, edible oils, sugar, ketones, toluene, xylene, chloroform, generator oils, insulating oils, etc.

A Karl Fischer titrant and methanol or a solvent (for dissolving or dispersing the sample) are required for volumetric titration.

You can choose between two reagent series:
Series SS-Z (pyridine and chloroform-free type)
Series-SS (pyridine type).
The titrants are available in 1mg, 3mg and 5mg or 10mg per series.

SS-Z series:

GEX solvents for general use: organic solvents, inorganic chemicals, agrochemicals, pharmaceuticals, fertilizers, detergents, food, etc.
OLX solvent for oils: Naphtha, gasoline, diesel oil, insulating oil, etc.
Solvent OLII for oils and greases: naphtha, gasoline, diesel oil, heavy oil, electrical insulating oil, oils and greases (hardened oil, margarine, etc.), etc.
Solvent KTX for ketones: ketones, silicone oils, acetic acid and other lower carboxylic acids, aldehydes (except acetaldehydes), etc.
Solvent SU for sugar: sugar, proteins, gelatine, additives, animal feed, etc.

SS series:

Solvents ML/MS for general use: organic solvents, inorganic chemicals, agrochemicals, pharmaceuticals, fertilizers, detergents, food, etc.
Solvent CM for oils: Naphtha, gasoline, diesel oil, heavy oil, electrical insulating oil, oils and fats (hardened oil, margarine, etc.), etc.
Solvent CP for ketones: ketones, silicone oils, acetic acid and other lower carboxylic acids, aldehydes (except acetaldehydes), anilines, etc.
Solvent PP for aldehydes: acetaldehydes, propionaldehydes, butyraldehydes, etc.
Solvent PE for ketones: ketones, silicone oils, acetic acid and other lower carboxylic acids, aldehydes (except acetaldehydes), anilines, etc.
Solvent FM for sugar: sugar, proteins, gelatine, additives, animal feed, etc.
Solvent ME for use with vaporizers: gaseous samples, nitrogen, etc.

The volumetric Karl Fischer titration can be carried out with the CA-310 or KF-31 devices.

Standards Application

Standards and reference materials for Karl Fischer titration

Standards and reference materials for Karl Fischer titration are used to verify measurement systems and applications. They are manufactured by Mitsubishi Chemical Co. with ISO9001 accreditation in accordance with ISO, GMP, GLP and FDA guidelines and are traceable to NIST SRM2890.

They are packaged in glass ampoules (for single use) and consist of a solvent with a specific composition and precisely confirmed water content. They are supplied with a certificate of analysis and have a long shelf life.

Figure 3: Standards and reference materials for Karl Fischer residual moisture determination

Aquamicron Water Standard 0.1 for checking the coulometric measuring cell with a titer of 0.1 _mgH2O/g.
Aquamicron Water Standard 0.2 for checking the coulometric measuring cell with a titer of 0.2 _mgH2O/g.
Aquamicron Water Standard 1 for checking the coulometric measuring cell with a titer of 1 _mgH2O/g.
Aquamicron Check Solution P for end point adjustment. The solution can be used with both AX and AKX. It can also be used for the daily QC of coulometric moisture measurement systems. The solution has a water content of 3.8-4.2 _mgH2O/g.
Aquamicron Water Standard 10 for determining the titre of titrants in volumetric determination. The titer of the solution is 10 _mgH2O/g.
Aquamicron Standard Water/Methanol. For determining the titer of Karl Fischer reagents (3-10 _mgH2O/ml). The water content is 2 _mgH2O/g.
Aquamicron Solid Water Standard for QC on moisture meters with evaporator. The water content is 3.83%.

FAQ

Key data

Reagents for Karl Fischer moisture analysis for all Karl Fischer measuring devices
Reliable water content determination in all measuring ranges
Easy handling with a wide range of applications
Accurate measurements with high endpoint stability
Solid and liquid standards and reference materials
Ready-to-use packaging units
Production and expiration date on the label
Certificates of analysis

How do I know which reagents are required for my application?

Our service team will be happy to advise you before you buy. Please contact us for an individual consultation.

Are the reagents for coulometric and volumetric Karl Fischer titration identical?

No, they differ because different processes are used.

What do coulometric and volumetric mean?

There are 2 different Karl Fischer processes. Find out more about Karl Fischer titration.

Can I also buy the Karl Fischer measuring device from a1?

Yes, we offer different devices for Karl Fischer titration: CA-310, CA31 & KF-31 and sample introduction systems.

Analysis systems

Containment systems

PFAS measurement with AQF-5000

Karl Fischer reagents, standards and reference materials

Your advantages

Resource protection

Easy handling

Our service for you

Coulometric application

Volumetric application

Standards Application

FAQ

Advice and contact

Consulting process

Get advice now - Contact us

Products

Industries

Service

The company

Termine 2025

Dates 2025