From
ketchup to moisturizing cream to paint, the moisture content of materials is a
decisive factor in determining product quality - especially in substances with
an extremely high moisture content.
The
new LMA200PM moisture analyzer from Sartorius sets the standards for this very requirement.
Within just 40 to 120 seconds the LMA200PM delivers precise results on the
moisture content of the substance tested.
The LMA200PM uses the loss-on-drying
technique and heats the sample with microwave radiation, which has been proved
to be the fastest and most effective drying method, particularly for materials
that contain a high proportion of water. At the same time, the LMA200PM's
integrated analytical weighing system with a resolution of 0.1 mg ensures unbeatable
precision for determining wet and dry weights of the sample, which form the
basis for calculation of loss on drying.
Focus on
fast measurement
To
achieve fast measurement times, the sample must absorb a great deal of
microwave radiation in a very short time and convert it to thermal energy. This
is why the LMA200PM bombards the sample with microwave radiation from two
fields located on the floor of the cylindrical sample chamber, directly below
the sample. The microwave radiation, in the 2.45 GHz range, is thus focused
directly on the sample while the rotation of the sample retainer ensures homogenous
distribution of microwave energy in the sample material, eliminating the hot
spots and cold spots that can occur with conventional microwave heating units.
Furthermore,
the water vapor emitted during drying in the LMA200PM is rapidly conducted away
from the sample. This is accomplished by applying the sample material to a
glass fiber pad, which allows the water vapor to escape from both the top and
the bottom. An exhaust system draws the water vapor out of the sample chamber,
thus preventing condensation.
Designed
for practical use
The
color touchscreen on the LMA200PM provides excellent readability and easy
operation. Just one key is all that's required in routine operation; all other
steps are automatic, and plain-language guidance texts support the operator.
The results of measurement are locked into the display until the user press a
key to start the next analysis.
Balanced
portfolio
With
the combination of high-resolution weighing technology and faster sample
drying, Sartorius has closed a gap in their product portfolio and expanded this
range of instruments by the addition of a very fast measuring instrument for at-line
production monitoring. Together with their recently introduced microwave
resonance technology - an indirect detection method that works in just seconds
and is ideal for use on or at the production line - and their well-known
moisture analyzer series with infrared dryers as well as a coulometer for
selective detection of water in the low ppm range, Sartorius now covers the
entire range of typical moisture analysis applications, from incoming
inspection to production monitoring to laboratory QA and research and
development. At last: single-source moisture analysis technology.
For further information
click here
A profile of Sartorius
Stedim Biotech
Sartorius
Stedim Biotech is a leading provider of cutting-edge equipment and services for
the development, quality assurance and production processes of the
biopharmaceutical industry. Its integrated solutions covering fermentation,
filtration, purification, fluid management and lab technologies are supporting
the biopharmaceutical industry around the world to develop and produce drugs
safely, timely and economically. Sartorius Stedim Biotech focuses on single-use
technologies and value-added services to meet the rapidly changing technology
requirements of the industry it serves. Strongly rooted in the scientific
community and closely allied with customers and technology partners, the company
is dedicated to its philosophy of "turning science into solutions".
Headquartered in Aubagne, France, Sartorius Stedim
Biotech is listed on the Eurolist of Euronext Paris. With its own manufacturing
and R&D sites in Europe, North America and Asia and a global network of
sales companies, Sartorius Stedim Biotech enjoys a worldwide presence. Its key
manufacturing and R&D site is in Germany. The company employs approximately
2,400 people, and earned in 2009 sales
revenue of 401,2 million euros according to preliminary figures.