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Fats, Oil, and Oilseeds Test Request


Request: 18-00875

Status: Closed


Title:

Grapefruit Peel Oil Testing

Description:

Analytical Chemistry Laboratory needed for quantitative analysis of samples of cold pressed grapefruit peel oil (GFP Oil) (think orange oil) for ppm amounts of thiabendazole (TBZ)?
The oil needs to contain 68 ppm TBZ and it needs to be less than 15 ppm. Thus the range is TBZ is 5 to 100 ppm. We plan to vacuum distill the product to remove the excess TBZ in the distillation bottoms.

Ultimately, the only certified method needed is to confirm TBZ is less than 15 ppm in the final product. During the process development phase, we will need determinations of PPM of TBZ in distillation samples. Range is between 5 ppm and 100 ppm.

I have copies of published articles on analytical methods for TBZ in citrus oils.


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Other fats, oil, and oilseeds laboratory services.

Contract Laboratory can help you with all your Fats, Oil, and Oilseeds testing, analysis, scientific research and development, inspection, certification, engineering, failure investigation, and product development needs including:

  • Peroxide Value (PV) Testing
  • Anisidine Value (p-AV) Testing
  • TOTOX Testing
  • TBA Rancidity (TBAR) Testing
  • Free Fatty Acids (FFA) Testing
  • Oil Stability Index (OSI) Testing
  • Active Oxygen Method (AOM) Testing
  • Moisture Insoluble Impurities Testing
  • Unsaponifiable Matter Titer Testing
  • Neutral Oil Loss Testing
  • Smoke Point Testing
  • Flash Point Testing
  • Color (by Wesson Testing
  • FAC or Lovibond scale) Testing
  • Capillary Melting Point Testing

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