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  5. Thermo Scientific™ HyperSep™ Dispersive SPE Multipacks (QuEChERS)

Thermo Scientific™ HyperSep™ Dispersive SPE Multipacks (QuEChERS)

Artikelnummer. 12623085 Shop alle Thermo Scientific produkter
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Oversigt:
1500 mg natriumklorid, 6000 mg magnesiumsulfat, 50 stk.
4000 mg magnesiumsulfat, 1000 mg natriumacetat, 50 stk.
4000 mg magnesiumsulfat, 1000 mg natriumklorid, 50 stk.
4000 mg magnesiumsulfat, 1000 mg natriumklorid, 500 mg dinatriumcitrat sesquihydrat, 1000 mg trinatriumcitrat, 50 stk.
6000 mg magnesiumsulfat, 1500 mg NaCl, 1500 mg natriumcitratdihydrat, 750 mg dinatriumcitratsesquihydrat
6000 mg magnesiumsulfat, 1500 mg natriumacetat, 50 stk.
8000 mg magnesiumsulfat, 2000 mg natriumklorid, 50 stk.
8000 mg magnesiumsulfat, 3500 mg NaCl, 50 stk.
Pakningsstørrelse:
Pakke med 50
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Artikelnummer. 12623085

Brand: Thermo Scientific™ 60105334


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Beskrivelse

Save time and achieve more accurate pesticide determinations using these pre-prepared dispersive SPE products for QuEChERS clean-up.

QuEChERS Dispersive SPE methods offer a convenient and effective approach for extraction and clean-up of pesticide residues in food and other complex matrices. The robust procedure offers a number of compelling advantages: high recoveries, accurate results, high sample throughput, low solvent and glassware usage, reduced labor and bench space and lower reagent costs.

Thermo Scientific™ HyperSep Dispersive SPE Clean-Up Products are available in a range of pre-prepared sorbent combinations, each containing the proper sorbents for optimum clean-up of analytes extracted using QuEChERS methods.

HyperSep Dispersive SPE Clean-Up Products contain PSA (primary/secondary amine) for the removal of organic acids and polar pigments among other compounds. Some products couple the PSA with endcapped C18 for the removal of most lipids and sterols, or graphitized carbon black for the removal of sterols and pigments such as chlorophyll. A variety of tube formats and bed weights are available to accommodate large and small sample sizes.

All HyperSep Dispersive SPE products are pre-prepared and optimized for the method at hand, so you will:

  • Save valuable preparation time
  • Achieve more consistent analytical results due to consistency in products and rigorous quality control
  • Get cleaner extracts and lower peak counts as a result of using highest quality, pre-prepared products
QuEChERS Technique

Developed by the USDA Eastern Regional Research Center in 2003, the QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) technique is increasingly becoming the technique of choice for extraction and clean-up of pesticide residues.

The QuEChERS method is a two-step process: extraction followed by clean-up. There are four variations of the QuEChERS method currently in use:

  • The original QuEChERS method uses sodium chloride to enhance extraction
  • Dispersive AOAC 2007.01 uses sodium acetate as a buffer, replacing sodium chloride
  • The Dual-Phase variation introduces PSA and GCB to remove high levels of chlorophyll and plant sterols in the final extract without the loss of planar pesticides (polar aromatics) using an acetone:toluene solvent mix (3:1)
  • European Version is similar to the AOAC method, except the extraction uses sodium chloride, sodium citrate dihydrate and disodium citrate sesquihydrate instead of sodium acetate
TRUSTED_SUSTAINABILITY

Tekniske data

Oversigt 4000 mg magnesiumsulfat, 1000 mg natriumacetat, 50 stk.
Til brug med (applikation) QuEChERS Method
Produktlinje HyperSep
Sorbent Anhydrous Magnesium Sulfate, Sodium Acetate
Type QuEChERS Sample Prep Multipack
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