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Foods, Flavors & Fragrances Solutions

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Q-sep QuEChERS Products

Featured Products

Q-sep™ QuEChERS Products
  • Fast, simple sample extraction and cleanup using dSPE—Fourfold increases in sample throughput.
  • Complete offering for AOAC and European Methods.
Products | More Info

Q-sep™ QuEChERS Internal Standards and Quality Control Standards
  • Single and multiple component standards as specified in EN Method 15662.
  • Support for GC and HPLC with MS, MS/MS, and selective detectors.
  • Ready to use for QuEChERS extractions—no dilutions necessary.
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Rxi®-5Sil MS GC Column
  • Low-bleed MS columns exceed requirements of the most sensitive mass spectrometers—ideal for trace analysis.
  • Protect your column with an integraded guard column—no inconvenient connections needed.
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Dual Vespel® Ring Inlet Seals
  • Buy one 10-pk. at 25% off list price & receive a 2nd 10-pk. FREE!
  • Easy installation reduces operator variability.
  • Prevent leaks—improve chromatography and increase column lifetime.
Special Offer! | More Info

Ultra Aqueous C18 HPLC Column
Products

HPLC Detector Lamps
  • Huge savings on HPLC detector lamps for select instruments.
  • Restek’s standard list price is much lower than the competition without sacrificing quality.
  • The more you purchase, the more you save.
Special Offer!

Thermal Desorption Unit Tubes
  • Variety of sorbents to collect a wide range of VOCs.
  • Available unconditioned or preconditioned and ready to sample.
Products | More Info



For more products and applications for foods, flavors, & fragrances analyses,
please use the links to the right.

Featured Literature

QuEChERS Products:
Fast, Simple Sample Prep for Multi-Residue Pesticide Analysis
< Flyer: Added July, 2009
Learn how to use the QuEChERS approach for faster, easier preparation of samples for multiresidue pesticide analysis. QuEChERS saves time, money, and materials, compared to modified Luke methods.
lit. cat.# FFFL1183 (622kb PDF)
LC/MS/MS Analysis of Biogenic Amines in Foods and Beverages
< Poster: Added July, 2009
Several columns were assessed for biogenic amines analysis. The Pinnacle® DB PFP Propyl column, interfaced to an API 3200™ LC/MS/MS system, gave an LOD about 100 times better than FDA specifications for histamine in fish.
Download (291kb PDF)

Fast, Simple QuEChERS Extraction and Cleanup of Pesticide Residue Samples
< Application Note
QuEChERS dSPE methods simplify extract cleanup, reduce material costs, and improve sample throughput. Here we demonstrate the effectiveness of QuEChERS sample cleanup using a multiresidue analysis of pesticides on strawberries.
lit. cat.# GNAN1097A (157kb PDF)
Thermal Desorption: A Practical Applications Guide
Food, Flavour, Fragrance & Odour Profiling
< Technical Guide
Thermal desorption is used extensively for measuring volatile and semivolatile components in foods, flavors, fragrances, and odors. This 28-page publication from Markes International Ltd. presents several key applications.
lit. cat.# FFTG1037 (1.9mb PDF)

» Click here for more foods, flavors, & fragrances literature.


Featured Articles

Further Editorials, by Dr. Konrad Grob
< Added September, 2009

Collected from the Restek Advantage, thirteen thought-provoking essays offering insight into sample vaporization processes in gas chromatography, important splitless optimization concepts, and food for thought on lab practices, education, and food safety.
Find out more

Comprehensive Pesticide Residue Analysis by LC/MS/MS
Using an Ultra Aqueous C18 column
< Added July, 2009

Analysis of pesticide residues in foods is complicated by the large number of target compounds. LC/MS/MS analysis using an Aqueous C18 column provides more comprehensive results than GC alone.
Find out more


Prepare Samples in Half the Time
Using a Fraction of the Solvent with dSPE

Simplify and speed up sample preparation with Restek dispersive SPE tubes! Here we show the extraction and clean-up of pesticide residues from olive oil samples — twice as fast as gel permeation chromatography (GPC), with only a fraction of the solvent required for conventional solid phase extraction (SPE).
Find out more

Simple, Reliable HPLC Analyses of Organic Acids
Using Water-Compatible Allure® or Ultra C18 Columns

Commonly used organic acid methods (e.g. AOAC method 986.13) depend on reversed phase HPLC and C18 columns, however these columns are vulnerable to phase collapse when used with the aqueous mobile phases necessary for optimal organic acid analysis. Restek’s Ultra Aqueous C18, Allure® Aqueous C18, and Allure® Organic Acids columns all withstand phase collapse and resolve organic acids in a 100% aqueous mobile phase, compared to a conventional C18 column which shows a complete loss of retention.
Find out more.


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