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Berghof-Water Determination-Easy H2O

THAILAND

Oliver Hammel, Vice President

+66 2 639 7000
Contact Email
DKSH Technology Limited (Head Office)
2533 Sukhumvit Road, Bangchak, Phrakhanong
10260 Bangkok
Thailand

The Berghof easyH2O analyzer selectively determines the water content in a sample by means of thermo-coulometric determination. For this purpose the sample is heated up in a closed sample chamber and the evaporated water is conveyed to the sensor. Unlike the gravimetric moisture-measuring techniques, the result is not distorted by substances which evaporate out of the sample together with the water. The Berghof easyH2O delivers reproducible and exact results. It facilitates separate identification of free surface and capillary water as well as bonded water. Even strongly bonded water is released and quantified by means of temperature programs up to 400°. The results correspond to those of a Karl Fischer titration.

Chemical-free, selective water detection


Precise and environmentally friendly

Selective detection of water


The Berghof easyH2O combines thermal evaporation of water with a selective, electrochemical water sensor to create an innovative method of water analysis.


The water is evaporated out of the sample in a programmable oven and is fed to the sensor by means of a carrier gas flow stream. The water is slowly evaporated using the temperature profile of the heating program and the bonding forms of the water are differentiated.


The ambient air is sucked-in and dried to be used as the carrier gas. Therefore, no special chemicals or carrier gases are required to operate it. Nitrogen can be used as an alternative carrier gas, for example in order to prevent decomposition reactions with oxygen. The entire process is software-controlled and runs automatically.


Coulometric P2O5 sensor


The core of the device is the coulometric P2O5 sensor. No special or toxic chemicals are required to operate the phosphorus pent oxide measuring cell. This makes the system environmentally friendly and reduces the operating and disposal costs. Operating personnel require no special training on how to handle toxic chemicals.


Reliable results


The phosphorus pentoxide sensor is a standard method of detecting water in gases such as hydrogen, oxygen, nitrogen, argon and helium. This method was first described and standardized in 1987, in DIN 50450. The sensor principle is also applied to the determination of water in natural gas (ASTM D 5454 and ISO 11541:1997).

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Berghof 

In collaboration with its customers from the industrial and research fields, Berghof Products + Instruments develops intelligent equipment designs for chemical processes at high temperatures and pressures. Our laboratory equipment are characterized by our ease of handling, long service life and low operating costs. We offer intelligent modular systems that allow customers to configure systems to meet their own requirements. The use of innovative technologies is a decisive reason why chemical laboratories all over the world choose Berghof.

[Moisture Analyzer, Water Determination, Berghof]

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