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Silica gel 60 C18 ec, 10 g

0,02-0,05 mm
Produkty pokrewne
Pack Qty.
Pack.
Octacedyl modified silica - endcapped
Empirical formula SiO2
Molar mass (M) 60,09 g/mol
Density (D) 2,2 g/cm³
Melting point (mp) 1713 °C
CAS No. [7631-86-9]
EG-Nr. 231-545-4

For SPE and QuEChERS method

Type analysis
62,90 € /op.

50,30 €/op.  Campaign price!

plus VAT | 10 g za op.

Nr kat. 6070.1

Dostępny z magazynu w Karlsruhe
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Szczegóły dotyczące produktu



Silica gel 60 C18 ec 0,02-0,05 mm

Informacje techniczne
Particle size 0,02-0,05 mm
Silica gel 60 C18 ec
Wybrana ilość:   0
  1. Suma pośrednia:  0.00
Nr kat. Pack Qty. Pack. Cena Ilość
6070.1 10 g glass 50,30 €
6070.2 25 g glass 101,20 €
Dostępny z magazynu w Karlsruhe
Dostępny krótkoterminowo
Niedostępny
Data dostawy obecnie nieznana
Wybrana ilość:   0
  1. Suma pośrednia:  0.00

Pobranie


Informacje ogólne

Further attractive products to complete your chromatography laboratory can be found on our Chromatography page!


QuEChERS Products

For pesticide residue analysis in food

Within a few years after its development the QuEChERS method (Quick, Easy, Cheap, Efficient, Rugged, Safe) has gained a leading position for determination of pesticide residues in food samples by GC-MS or LC-MS, allowing rapid and cheap clean-up of strongly matrix-contaminated samples. For optimizing the extraction of pH-dependent compounds, for minimizing decomposition of sensitive substances, and for broadening the matrix spectrum,different modifications of the QuEChERS method have been elaborated.
In addition to the required adsorbent Silica gel 60 diamino a number of individually weighed and premixed buffer and extraction mixtures is offered, specially composed for different sample matrices.
For extraction, the European standard EN 15662 recommends a citrate extraction mix (Mix I), while AOAC standard 2007.1 uses an acetate extraction mix (Mix II). For clean-up, the Diamino phase (PSA) removes, e.g., sugars and organic acids. Magnesium sulfate removes water, C18 ec removes non-polar interferences such as fats and the carbon phase removes pigments, sterols, and non-polar interferences. For selection of the proper clean-up mix see table below.


Silica Gels

Silica gels are the most important sorbents in the purification and separation processes used in column chromatography. Our extensive range of silica gels with various different pore and particle sizes means that we always have the right material for any separation procedure. In addition to standard 60 Å silica gel, our range includes silica gels with pore sizes between 150 Å and 4500 Å, as well 22 Å and 35 Å for separating particularly small molecules. A selection of modified silica gel 60 grades completes the range.Advantages:

  • Extensive range
  • Stringent quality control of the starting materials and the end products
  • High purity; optimised to meet the needs of chromatography applications
  • Large surface area for a high load-bearing capacity
  • Tight particle size distribution for optimal efficiency and low pressure variations


Świadectwa jakości

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Znaleziono następujące świadectwa jakości:

Type analysis

Pore diameter55-75 Å  
Particle size20-50 µm  
Capacity (mg caffein/g sorbent)≥90  
Loss on ignition17-23 %  

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