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Acceleration And Automation Of Solid Sample Treatment by Garcia J.L.L., de Castro M.D.L.

By Garcia J.L.L., de Castro M.D.L.

This booklet goals to supply scientists with information regarding a sequence of suggestions that may be used which will facilitating the transformation of the pattern to a suitable nation for next detection or quantitation of its elements of curiosity. The concepts handled variety from the extremely simple ones (e.g. freeze-drying) to different extra advanced ones (e.g. glow discharge and laser-induced breakdown sampling).

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Extra info for Acceleration And Automation Of Solid Sample Treatment

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In most cases, the results for the freeze-dried reference material are indistinguishable from those for fresh urine. 3. Samples Freeze-drying is also used as a sample pretreatment method (mainly for preservation purposes but also for preconcentration and to facilitate subsequent dissolution). Whether freeze-drying can be used with a given sample depends on the type of analyte (organic or inorganic) to be determined following reconstitution of the sample - - which ultimately dictates the usefulness of the pretreatment.

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In the mid-1990s, manufacturers started to incorporate the allegedly most universally demanded variations. This introduced new control equipment and mechanical designs in freeze-dryers for research purposes. Below are comments on the most salient shortcomings of the original freezer-dryers and the ways they were circumvented. Pressure and temperature controls" Tray-based freeze-dryers were formerly heated by means of electrical wires, the temperature being controlled by using a thermostat. The temperature of the shelves (or the product itself) was measured with thermocouples furnished with analogue indicators.

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