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+1 647-919-3041 [email protected]

Chromkit
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SiliaChrom analytical HPLC columns in three lengths.

Supplied new and unopened as a SiliCycle reseller, not as an aftermarket equivalent. Chromkit invoices you in Canadian dollars and the goods ship inside Canada, so there is no customs entry and no exchange rate on your side. Certificates and technical documentation come with the order. If you want to compare this against the sorbent you run now, ask and I will arrange samples before you commit a method to it.

HPLC and UHPLC columns

SiliaChrom Plus HPLC Column, PFP

Pentafluorophenyl. Retention here is not hydrophobicity alone. The fluorinated ring adds dipole and pi interactions, which is why a PFP column separates positional isomers and halogenated compounds that co elute on C18, and why it holds small polar bases that C18 lets through with the solvent front. It is not a drop in replacement for a C18 method. Retention responds more strongly to the organic percentage and to buffer choice, so a method moved onto PFP needs re optimising rather than transferring.

Sorbent
PFP
Product line
SiliaChrom Plus HPLC Column
Pore size
120 Å
USP code
L43
Condition
new
Price
from CA$1,211 before tax and shipping. Confirmed on the quote.

Available formats 6 part numbers

Part number Format Per box Price
HPL-S67503G-A-N100 4.6 x 100 mm, 3 µm 1 CA$1,260
HPL-S67505G-A-N100 4.6 x 100 mm, 5 µm 1 CA$1,211
HPL-S67503G-A-N150 4.6 x 150 mm, 3 µm 1 CA$1,407
HPL-S67505G-A-N150 4.6 x 150 mm, 5 µm 1 CA$1,309
HPL-S67503G-A-N250 4.6 x 250 mm, 3 µm 1 CA$1,480
HPL-S67505G-A-N250 4.6 x 250 mm, 5 µm 1 CA$1,456

Quote the part number, or tell me the sample and volume and I will tell you which size to run. Prices are per box, before tax and shipping.

Request a quote +1 647-919-3041

Before you order: if the instrument is misbehaving, tell me the symptom, not the part number. Lamps and seals get replaced for problems they did not cause. The first look costs nothing, and if this part is not the fix, I will say so.

How buying works, written for procurement →

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SiliaPrep SPE cartridges, the range of barrel volumes and sorbent weights.

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SiliaPrepX SPE Cartridges, Polymer-Based, HLB

A water wettable polymer, so the bed does not dewet if the cartridge runs dry. That is the commonest reason a silica C18 extraction loses recovery halfway through a batch, and it is the single practical argument for a polymeric sorbent. HLB retains acids, bases and neutrals together, so it is the first choice when you are screening or when the analyte list is mixed. That breadth is also its limit. It holds matrix as readily as it holds analyte, so if you are fighting ion suppression in LC-MS, an ion exchange or mixed mode sorbent will give you a cleaner extract than this one.

Sorbent
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Product line
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Alternative to
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Particle size
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SiliaPrep SPE cartridges, the range of barrel volumes and sorbent weights.

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SiliaPrepX SPE Cartridges, Polymer-Based, SAX

Strong anion exchange on a polymer backing. The exchange sites stay charged across the working pH range, so retention of an acidic analyte does not drift with load pH the way it can on a weak exchanger. Use it when reversed phase alone leaves the extract too dirty and the analyte carries a negative charge you can work with. It will not hold neutrals or bases. If your analyte list is mixed, run HLB, or run this as a second step after a reversed phase cleanup.

Sorbent
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Product line
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Particle size
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SiliaPrep SPE cartridges, the range of barrel volumes and sorbent weights.

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SiliaPrepX SPE Cartridges, Polymer-Based, SCX

Strong cation exchange on a polymer backing, for basic analytes. Load at a pH where the base is protonated and it is held by charge rather than by hydrophobicity, which means you can wash with organic solvent hard enough to strip most of the matrix without losing the analyte. Elution needs base in the solvent. It will not retain acids or neutrals, and for a permanently charged base such as a quaternary amine it can hold too well to elute cleanly, which is what the weak exchanger is for.

Sorbent
SCX
Product line
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Alternative to
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Particle size
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SiliaPrep SPE cartridges, the range of barrel volumes and sorbent weights.

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SiliaPrepX SPE Cartridges, Polymer-Based, WCX

Weak cation exchange, a carboxylic acid on a polymer. It exists for the analytes that strong cation exchange holds too tightly. A quaternary amine or another permanently charged base comes off a weak exchanger with a change of pH instead of a harsh solvent, so recovery improves and the extract stays cleaner. For a weakly basic analyte it does the opposite and barely retains at all. Check the pKa of your compound before choosing between this and the strong exchanger.

Sorbent
WCX
Product line
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Alternative to
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Particle size
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CA$169

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