Purospher® STAR HPLC and UHPLC columns
The base silica of Purospher® STAR columns is 99.999 % pure. Furthermore, meticulous care is given to quality control over all aspects of silica structure and chemistry. The excellent converge of the surface and the purity of the material ensures excellent peak symmetry for acidic, basic and even for chelating compounds. Accurate results with excellent peak shape for all types of analytes Outstanding resolution due…
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Excellent results.
Testing raw materials and pharmaceutical products
Very good reproducibility and separation column. The cartridges are very cheap. It would be useful to do more marketing of this product. It is easy to use and is a good price.
Review Date: 10 Jun 2020 | Merck KGaA, Darmstadt, Germany
Analysis of herbal products
I use Merck Purospher C-18 columns for regular testing of herbal products. I find this column good and long lasting.
Review Date: 17 Nov 2014 | Merck KGaA, Darmstadt, Germany
Robust, has a long life-time, and is applicable for a wide range of compounds.
Review Date: 31 Aug 2011 | Merck KGaA, Darmstadt, Germany
The base silica of Purospher® STAR columns is 99.999 % pure.
Furthermore, meticulous care is given to quality control over all aspects of silica structure and chemistry. The excellent converge of the surface and the purity of the material ensures excellent peak symmetry for acidic, basic and even for chelating compounds.
- Accurate results with excellent peak shape for all types of analytes
- Outstanding resolution due to high separation efficiency
- Proven reliability and reproducibility from run to run and batch to batch
- Universal compatibility with best all-round performance according to Tanaka
- Maximum flexibility in method development and choice of mobile phase
- pH stability from pH 1.5 – 10.5
- Suitable for up to 100 % aqueous mobile phases
- Highest sensitivity and suitability for LC-MS applications
