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Pharma-Sil Silica 2000mg/15mL, 20 pkg

Unmodified, weakly acidic silica, very polar. Adsorbs humidity from air, for this reason it should be kept well closed and if necessary dried before use. Due to its high affinity for polar compounds it should not be conditioned with polar (e.g., methanol) or water-containing solvents.

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Product description

Product description

Unmodified, weakly acidic silica, very polar. Adsorbs humidity from air, for this reason it should be kept well closed and if necessary dried before use. Due to its high affinity for polar compounds it should not be conditioned with polar (e.g., methanol) or water-containing solvents.

Average Pore Size 60Å
Surface Area 500 m2/g
Pore Volume 0.77 cm3/g

General method for column with 100mg of sorbent

Condition

1 mL Isopropyl alcohol / Dichloromethane

Equilibrate

1 mL Hexane

Load

Pretreated sample

Wash

1 mL 5 % Dichloromethane in Hexane

Elute

1 mL Hexane / Dichloromethane (1 : 1) or Hexane / Isopropyl alcohol (1 : 1)

Recommended applications:

Silica is particularly effective at separating compounds with a very similar structure. Applying the analytes in a non-polar solvent, then increasing the solvent polarity by increasing the concentration of a polar modifier, such as THF or ethyl acetate, delivers effective separations. Suitable for Aflatoxins, Chloramphenicol, Pesticides, Steroids, Vitamins

Parameters

Parameters

Brand: Clean-Up
Category: Laboratory instruments and accessories / Chromatography / SPE columns

Dimensions

SPE formatGiga Tubes
Sorbent mass2000mg
SPE Volume15ml

Material

SPE sorbent nameClean-UP
SPE sorbentSilica
SPE endcappingn/a
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