hplc
  • Gel Permeation Chromatography (GPC)

    Gel Permeation Chromatography (GPC)

    GPC gel purification system has many advantages such as high purification rate, simple operation, convenient maintenance, safety and reliability. It is mainly used in the pre-treatment and purification process of samples for the detection of pesticide and veterinary drug residues, polycyclic aromatic hydrocarbons, and polychlorinated biphenyls. It is widely used in the fields of agricultural products, food, environment and life sciences.

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  • ASTM D5837 Apparatus for Furanic Compounds by HPLC

    ASTM D5837 Apparatus for Furanic Compounds by HPLC

    KN-5837 Furanic Compounds by HPLC conforms to ASTM D5837 Standard Test Method for Furanic Compounds in Electrical Insulating Liquids by High-Performance Liquid Chromatography (HPLC). Furanic compounds are generated by the degradation of cellulosic materials used in the solid insulation systems of electrical equipment. Furanic compounds which are oil soluble to an appreciable degree will migrate into the insulating liquid. High concentrations or unusual increases in the concentrations of Furanic compounds in oil may indicate cellulose degradation from aging or incipient fault conditions.

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  • ASTM D7419 HPLC for Total Aromatics and Total Saturates

    ASTM D7419 HPLC for Total Aromatics and Total Saturates

    KN-7419 HPLC for Total Aromatics and Total Saturates conforms to ASTM D7419 Standard Test Method for Determination of Total Aromatics and Total Saturates in Lube Basestocks by High Performance Liquid Chromatography (HPLC) with Refractive Index Detection. The composition of a lubricating oil has a large effect on the characteristics and uses of the oil. The determination of saturates, aromatics and polars is a key analysis of this composition. The characterization of the composition of lubricating oils is important in determining their interchangeability for use in blending etcetera.

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