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10 Current white paper about the topic water

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Battling Corrosion in Refineries

With the Power of In-line Analysis

26-04-2011

Corrosion in refinery operations has been, and still is, the subject of many studies, papers, courses and web forums. Although a lot of what has been written shows that significant progress in understanding corrosion has been made, it also makes it clear that the problem continues to exist and ...

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Analysis of water soluble polymers using linear size exclusion HPLC columns and a semi-micro SEC system

16-11-2010

One of the most widely used water-soluble polymers is Polyvinylpyrrolidone (PVP). For more than 70 years it is applied in a variety of applications in medicine, pharmacy, cosmetics and industrial production. PVP binds to polar molecules exceptionally well. It supports the solubility of tablets in ...

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Application of the Amplifluor® SNPs Genotyping System using a FLUOstar OPTIMA microplate reader

16-06-2010

The detection of SNPs (single nucleotide polymorphisms) is an important tool for researchers in order to find mutations in DNA sequences. In this application note we describe a homogeneous fluorescence assay based on PCR. The Amplifluor® SNPs HT Genotyping System from Millipore was used to screen ...

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Calculating VOCs: Not all Low-VOCs Are Considered Equal

20-11-2009

Like most coatings, paints, and maintenance products, water repellents are expected to comply with increasingly stringent regulations of Volatile Organic Compounds (VOC), which are any volatile carbon compounds that engage in atmospheric photochemical reactions. The simplest example of a VOC ...

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Automated Dynamic Light Scattering

09-11-2009

DLS analysis is a widely applied, non-invasive method for measuring the effective size of molecules in solution. This technique yields valuable information for the characterization of molecules and particles. It facilitates formerly laborious and time consuming measurements, e.g. screening for ...

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Bearing grease selection

03-09-2009

Rolling-element bearings are used for the precise guidance of moving parts. Frictional losses are extremely small because the bearings rest on rolling elements, enabling very heavy loads to be adsorbed. Rolling-element bearings may be lubricated with greases or oils depending on the point of use. ...

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Best Practices to Mitigate Lubricant Contamination

03-09-2009

Many assume the contamination of lubricants occurs after the lubricants have been applied to machines. While wear debris and water ingress are expected to contribute to lubricant contamination it doesn't mean maintenance professionals need to accept lubricant contamination as a futile battle. ...

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

07-02-2007

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 crystallisation of proteins. DLS is also used in the ...

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Sum parameters "on trail"

Continuous TOC determination in environmental analysis

27-05-2005

Identification of organic pollutants in wastewater is essential for performance evaluation, construction and operation of a wastewater treatment plant. Several parameters are currently used in wastewater analysis applications. The advantages of TOC analyses are apparent especially during ...

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Reaching the Next Level of Microwave-assisted Organic Synthesis

27-01-2005

Microwave-assisted organic synthesis (MAOS) has become an increasingly popular discipline in modern chemical method development. At first, reaction optimization and method development on a small scale were the main areas of interest in MAOS. However, the growing acceptance and success of this ...

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