Shodex SEC HPLC Calibration Standard kits

Shodex calibration standards for Size Exclusion Chromatography (SEC) are available for both organic and aqueous phases.
These standards play a crucial role in ensuring accurate molecular weight measurements.

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Ion Chromatography השאירו כאן את הפרטים:

Shodex Standard Kits include pullulan (polysaccharide), polystyrene (PS), and polymethylmethacrylate (PMMA), allowing researchers to calibrate their SEC systems effectively.

Shodex is a reputable manufacturer that provides reliable and high-quality solutions for chromatography applications, making their calibration standards a valuable resource for scientists and analysts in the field.

מידע נוסף

Pullulan calibration standard

  • Kit STANDARD P-82 with 8 different MW
  • Water-soluble unbranched polysaccharide calibration kit for aqueous SEC
  • Pullulan is a linear polysaccharide composed of maltotriose units connected by α-1,6 bonds, offering stability without agglomeration, crystallization, or electrical charge.

Polystyrene (PS)

  • Available as three different kits for low, medium and high MW:
    STANDARD SL-105, SM-105, SH-75
  • Molecular weights ranging from 4 to 200,000.
  • Easily soluble in tetrahydrofuran (THF), chloroform, toluene, and o-dichlorobenzene (ODCB) and are used for organic solvent SEC (GPC).
  • The polystyrene is less branched, synthesized through anionic polymerization.

Polymethylmethacrylate (PMMA)

  • Kit STANDARD M-75 with 7 different MW
  • Suitable for use with hexafluoroisopropanol (HFIP) and dimethylformamide (DMF) solvents, as well as tetrahydrofuran (THF), toluene, methyl ethyl ketone, ethyl acetate, DMF, and DMAc
  • Designed for organic solvent SEC (GPC) and features a narrow molecular weight distribution range.

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