Organic Sample Pretreating-LiChen Scientific-Scientific Instruments Supplier & Manufacturer

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Sample Pretreating

Laboratory sample pre-treatment, also known as sample cleaning or sample preparation, are critical for ensuring that the sample is in an appropriate form for measurement, removing potential interfereneces, and improving the accuracy and reliability of the analysis.

In analytical chemistry, sample pre-treatment can involve several instruments such as Solid-Phase Extraction, Ultra-pure Water Purifier, Stirrer, Mixer and Homogenizer, Filtration and Centrifuge, Digestion, Rotary Evaporator, and Nitrogen Evaporator, depending on the nature of the sample and the analytical technique to be used.

Solid Phase Extraction System

Solid Phase Extraction(SPE) Systems are advanced instruments developed by integrating liquid-solid extraction and liquid chromatography technologies. They utilize solid adsorbents to adsorb target compounds from liquid samples, separating them from matrix and interfering compounds. Target compounds are then eluted with eluents or desorbed by heating, achieving the purposes of separation, purification, and enrichment. These processes reduce matrix interference and enhance detection sensitivity. The systems are applied in food safety testing, agricultural residue monitoring, pharmaceutical & healthcare, environmental protection, commodity inspection, tap water analysis, and chemical production laboratories.

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