WITH a footprint of just 20x30cm and a weight of 7kg, the Fritsch Pulverisette 23 mini-mill is promoted as the ideal tool for reducing small volume samples for laboratory analysis by X-ray fluorescence and infrared spectroscopy. Typical applications of the…
Category: sample preparation
Improved grinding of hard and fibrous material
FRITSCH says that its new, completely modified Pulverisette 9 vibrating cup mill offers practical advantages when hard, brittle, or fibrous material must be ground quickly to analytical fineness. It is suited to fast sample preparation for spectroscopy, ore analysis in…
Mobile GC/MS accepts samples as liquid, solid, or vapour
SAID to be the only mobile gas chromatograph mass spectrometer (GC/MS) that can analyse samples introduced in solid, liquid, or vapour phase, the Griffin 460 also provides continuous direct air monitoring and has multiple applications in field work. Available from…
Specimen cleaning in electron microscopy
A VITAL step in sample preparation before analysis by electron microscopy is the cleaning stage, in which all contaminants must be removed from objects under study. One common problem encountered at this stage is that the cleaning process can damage…
Sample preparation products for regenerative medicine shown at Achema 2012
THE LATEST sample preparation products for epigenetics and regenerative medicine will be shown by Porvair Sciences at the forthcoming Achema 2012 exhibition in Frankfurt, Germany. Visitors will be able to see Porvair’s growing range of tissue culture plastics, and the…
Preparing samples of selenium for analysis
SELENIUM, element 34, presents a sample preparation challenge, as outlined below by certified chemist Wieland Hopfe, application consultant for Fritsch. Selenium is one of the less commonly known elements, appearing on the periodic table immediately below sulphur. It is an…
Mini-stirrer packs a stylish punch
STIRRING volumes of up to one litre at speeds between 350 and 2000rpm, the new SM5 Mini Stirrer from Stuart offers effective magnetic stirring in a small package. Constructed of strong lightweight polypropylene, with a chemically-resistant polycarbonate top, the SM5…
How to determine CHN in volatile samples
A KEY factor in predicting the performance of petroleum fuels and lubricants is the percentage of carbon, hydrogen, and nitrogen (CHN) they contain. However, the volatile nature of these materials means that conventional elemental analysis is difficult to carry out.…
Multiplex 96 genomic samples per run
A NEW barcode library from Fluidigm, said to be compatible with all next-generation sequencers on the market, allows multiplexing of up to 96 different samples in a single sequencing run. The AccessArray barcode library for the Ion Torrent personal genome…
Preparing purple moor grass for elemental analysis
PURPLE Moor Grass, Molinia caerulea, is a common plant in northern Europe and is of scientific interest for the ratios of carbon and nitrogen in contains. The analysis of the material is itself straightforward, but preparing samples for analysis has…