Aquastar® – Reagents for Fast, Precise
and Reliable Karl Fischer Titration


Using Merck's Aquastar® reagents for Karl Fischer titration, the water content of gases, liquids and solids can be determined easily and with high accuracy and reliability. Our comprehensive Aquastar® product line covers the whole range of volumetric and coulometric Karl Fischer reagents, rounded off with various water standards for titer determination, monitoring and qualifying Karl Fischer equipment, and checking measuring results.

For volumetric titration suitable for higher water content levels (0.1–100 %), we supply both one-component and two-component reagents. You benefit from high titration rates for fast analysis and accurate, reliable results. A comprehensive portfolio of Aquastar® solvents is available for water determination in aldehydes and ketones as well as in oils and fats. Our accompanying Aquastar® buffer solutions help maintaining the optimum 5-7 pH range.

For coulometric titration primary used for determining very low water contents (< 1 %), we provide combined reagents that contain all reaction components in one solution and can be used as both anolyte and catholyte. Your advantage: Even in diaphragm cells only one reagent is necessary. This makes your coulometric KF titration much easier and prevents mistakes.

Our New Global Karl Fischer Product Line

We are proud to present you our new global product range of Karl Fischer reagents and standards named Aquastar®. We will replace our existing Apura® trademark with the new brand name Aquastar® outside of North America. In North America Aquastar® is already a very well-known and established high quality brand. To offer one global available product line worldwide we will use in the future for all our Karl Fischer products the brand name Aquastar®. All products will keep the same catalogue numbers, designation, composition, quality, specification and performance. We just change outside of the United States and Canada the brandname to Aquastar® – nothing more.

All of the products continue to be supplied from the same source as before; they are manufactured and packaged in our Merck KGaA, Darmstadt, Germany facility.

If you need and further help or support, please contact aquastar@merckgroup.com

Catalog Number Catalog Name
188036 Solución tampón para bases fuertes
188026 Kit de análisis Agente valorantepara determinación del agua
188055 Patrón de agua, aceite
106664 Sodio tartrato dihidrato
188001 CombiTitrant 1
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EVENTOS

jun 16
06/16/19 - 06/20/19
HPLC 2019
University of Milano-Bicocca
Milan, Italy
Analítica y preparación de la muestra Europa 20190616
mar 17
03/17/19 - 03/21/19
Pittcon 2019
Pennsylvania Convention Center
Philadelphia, Pa, USA
Norteamérica 20190317
nov 12
11/12/19 - 11/14/19
BrauBeviale
Nürnberg Exhibition Centre
Nuremberg, Germany
Purificación de agua,Reactivos, compuestos químicos y material de laboratorio,Microbiología industrial,Analítica y preparación de la muestra Europa 20191112