Ion exchange separates components in a sample depending on their relative ionic strengths and interaction with the stationary phase. The stationary phase is a charged substance that selectively ...

The wide range of chromatographic techniques share one common aim: to separate a material into its components. A material, your sample, is dissolved in a solvent, called the mobile phase. This mixture ...

Case in point: For more than a century, chromatography practitioners have been separating the components of chemical mixtures by using columns packed with various types of particulate matter. Recently ...

There is a growing demand for high purity chemicals within the technical, life science and fine chemical industries. As new synthetic routes are discovered and purity requirements increase, the demand ...

Londoners are a clever lot. Five of our unis are officially among the best in the world, we have England’s best private school and boast the only state school to be part of the World Leading Schools ...

Data provided by the Independent Schools Council (ISC). Not all independent schools in the UK either submit their data to the ISC or are represented by the ISC. Fee information is per year and has ...

The proportion of GCSE entries awarded top grades has fallen from last year, amid a growing north-south divide in England. Many of the pupils who are receiving their grades were in Year 7 when schools ...

The GCSE results gap between the south and the rest of England has widened. This year's results reveal London as the highest-performing region, with 72.5% of entries graded as at least 4/C, while the ...

Hundreds of thousands of teenagers have received their GCSE results with a slight drop in the proportion of top grades awarded from last year. The approach to grading in England returned to ...

GCSE results day has arrived, as pupils across the UK find out what grades they have achieved in their recent exams. For many, it’s an emotional time as they secure the grades they have worked hard ...

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Today (Thursday, August 22), thousands of students are receiving their GCSE results from this summer's exams. Schools received all the results on Wednesday and they are typically available for ...