Analysis of Glyceryl Monolinoleate According to USP-NF Method (KF-802)

Glyceryl linoleate is a type of surfactant. It is an emulsion stabilizer mainly used in cosmetics. According to the United States Pharmacopeia and the National Formulary (USP 43-NF 38*), "ASSAY" for "Glyceryl Monolinoleate" should be carried out with a 7.5 mm (I.D.) x 60 cm (length) column filled with L21 packing material. Use of two GPC KF-802 columns, 8.0 mm (I.D.) x 30 cm (length) each, filled with L21 packing material in series confirmed the requirements were met.

System suitability requirements Resolution between diglycerides and monoglycerides peaks (Sample solution): ≥ 1.0
Relative standard deviation (RSD) of monoglycerides peak (Sample solution): ≤ 2.0%

*The version at the time of the application acquisition.

Sample: 40 µL
(Sample solution) 40 mg/mL Glyceryl Monolinoleate in THF

  1. 1.Glyceryl trilinoleate
  2. 2.Glyceryl dilinoleate
  3. 3.Glyceryl monolinoleate
Chromatogram of Glyceryl monolinoleate
Column
Shodex GPC KF-802 (8.0 mm I.D. x 300 mm) x 2
Eluent
THF
Flow rate
1.0 mL/min
Detector
RI (40 ℃)
Column temp.
40 ℃

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