ChemEurope.COM Articles

Helpers of all sizes for analysts

Tue, 23 Jun 2009 22:00:00 GMT

Geologists analyze soil samples, the oil industry studies crude oil, and the steel industry wants to know the composition of slag. These are completely different fields, but all begin the analysis process with a high-temperature fusion treatment of ...

How much LIMS can a researcher put up with?

Tue, 19 May 2009 22:00:00 GMT

Researchers don't want to work with a LIMS and analysts don't like electronic laboratory notebooks (ELN). These types of software are not ideally suited to mapping these two laboratory processes. In companies with R&D and analysis departments, there ...

35 years' experience in "black gold"

Sun, 26 Apr 2009 22:00:00 GMT

There is a paradoxical consequence of the financial crisis: To produce bitumen is more attractive than ever. In the last six months prices for crude oil and, in particular, the consumption of heavy, sulfur-containing marine Diesel fuel (bunker oils) ...

Outsourcing R&D Innovation takes on New Meaning

Sun, 05 Apr 2009 22:00:00 GMT

Innovative drugs are the lifeblood of pharmaceutical companies, but the cost of developing them is rising to unsustainable levels. Pharma executives are already saying that as the economy falters, they foresee bleak prospects and mergers unless ...

Microwave digestion with top-loading concept for very simple handling and a high sample throughput

Sun, 01 Mar 2009 23:00:00 GMT

In many analytical laboratories today microwave digestion is a standard method of preparing samples for determining elements. For microwave digestion the sample material is typically heated to 200 - 260�C in closed microwave-transparent pressure ...

"Green Chemstry" in the Laboratory

Tue, 24 Jun 2008 22:00:00 GMT

The term "green chemistry" is commonly used to describe chemical procedures which meet specific requirements with regards to the conservation of resources and protection of the environment. The objective is to avoid undesired by-products by ...

Particle Analysis: Quality Control of Catalysts with Digital Image Processing

Mon, 23 Jun 2008 22:00:00 GMT

Catalysts are widely used as an important auxiliary material in the chemical and petrochemical industry. They are able to accelerate chemical reactions by lowering the activation energy, i.e. they change reaction kinetics. Thus, using catalysts in ...

Polyolefins: Determination of Molecular Weight and Branching Structure by GPC/SEC

Sun, 15 Jun 2008 22:00:00 GMT

Polyethylene and Polypropylene are so-called Polyolefins. They are produced in large amounts every year. Depending on the process and catalyst used linear or branched polymers can be produced. In case of e. g. Polyethylene there are at least three ...

Sensible and self-monitoring

Mon, 26 Nov 2007 23:00:00 GMT

For the generation of soft water are mostly used ion exchanging devices with generation of sodium chloride since the beginning of the Sixties. The generated soft water quality and soft water quantity are depending thereby on the static and dynamic ...

Innovative column technology for liquid chromatography

Thu, 28 Jun 2007 22:00:00 GMT

Fast, efficient and cost saving chromatography of various samples by application of a liquid stationary phase. Termination of disadvantages of the solid phase material used in classical chromatography.

Chemometric Spectroscopy

Sun, 25 Feb 2007 23:00:00 GMT

Chemometric Spectroscopy is the term used to describe the direct combination of a spectroscopic measurement with a chemometric data evaluation procedure, typically a multivariate statistic method, so providing quick and reliable deduction of the ...

Dynamic Light Scattering - an Important Tool for Protein Crystallography and Nanotechnology

Tue, 06 Feb 2007 23:00:00 GMT

Dynamic Light Scattering (DLS) is an established technique in the field of protein crystallography. DLS is used to measure hydrodynamic sizes, polydispersities and aggregation effects of protein samples. These are important parameters for the ...

On-line particle analysis in wet processes

Thu, 01 Feb 2007 23:00:00 GMT

Fully automated particle size measurement technology integrated with existing plant control platforms for ease of use has the potential to deliver numerous benefits. At plants where a switch to on-line analysis has been made it is frequently easier ...

Measuring particle size using modern laser diffraction techniques

Mon, 22 Jan 2007 23:00:00 GMT

Many different techniques have been devised for determining particle size distribution, but for a wide range of industries laser diffraction has become the preferred choice. Laser diffraction, alternatively referred to as Low Angle Laser Light ...

Particle shape - an important parameter in pharmaceutical manufacturing

Mon, 22 Jan 2007 23:00:00 GMT

The advent of rapid and reliable measurement technologies, together with the FDA's PAT (Process Analytical Technologies) initiative, has increased the use of particle shape analysis within the pharmaceutical industry. Particle shape, like particle ...

Making the connection - particle size, size distribution and rheology

Mon, 22 Jan 2007 23:00:00 GMT

A number of factors influence the rheology of a suspension, including particle size, particle size distribution, and the volume fraction of solids present. Here we examine the relationship between rheology and particle size parameters. Commonly used ...

Measurement of Nano particles and Proteins

Tue, 07 Nov 2006 23:00:00 GMT

Colloid emulsions in their native environment require particle size determination in high concentration since there are concerns about changes in sample morphology upon dilution eg break up of aggregates. For proteins and other samples with very low ...

Gr�ger & Obst Analyzers for Simultaneous Measurement of TOC and VOC

Thu, 10 Aug 2006 22:00:00 GMT

To determine the degree of organic pollution of waste water, labs prefer the kind of analytical test methods that yield useful results without being costly or demand the use of large-scale equipment. To achieve this end, labs employ methods that are ...

Outsourcing to India and China: Cultural diffculties with the perception of costs

Tue, 27 Jun 2006 22:00:00 GMT

Aparna Singh (AS), Program Manager for the Chemicals Materials and Foods team at Frost & Sullivan India, recently caught up with Mr. Steve Fishwick (SF), Projects Group Director, AstraZeneca at the Frost & Sullivan's Global Life Sciences Summit 2006 ...

Wyeth 'learns and confirms' in India

Mon, 26 Jun 2006 22:00:00 GMT

Aparna Singh (AS), Program Manager with Frost & Sullivan's Chemical Materials and Foods team caught up with Dr. Michael Kolb (Dr. MK) at Frost & Sullivan's Opportunities in Lifescience Molecules: Global Partnership Summit 2006. This annual summit ...