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Sample preparation is the process where a representative piece of material, chemical or substance is extracted from a larger amount, bulk or batch for subsequent analysis. Representative samples are selected to accurately reflect the larger group and represent the characteristics of the whole material. Ideally representative samples are homogeneous or similar in nature, but when that is not possible, the best attempts must be made to achieve samples which represent the majority of the characteristics of the larger grouping.

SPEX SamplePrep’s Freezer/Mill is a cryogenic grinder specifically designed for milling and grinding of tough or temperature sensitive samples. In a recent study, the Freezer/Mill was used in Microplastic research.

Join SPEX CertiPrep as we talk about the wide spectrum of personal protective equipment (PPE).

The SPEX SamplePrep Mixer/Mill, a High-Energy Ball mill, played a key part in eliminating environmentally impactful solvents from the manufacturing process.

The SPEX SamplePrep Geno/Grinder, an automated high-throughput plant & animal tissue homogenizer and cell lyser, played a key part in vaccine research.