C18 (ODS) – Octadecylsilane; general purpose, pharmaceuticals, impurities, stability studies
C8 – Octylsilane; faster elution than C18, moderately non-polar compounds
C4 – Butylsilane; proteins, peptides, large biomolecules
Phenyl – Phenyl bonded phase; aromatic compounds, π-π interactions
Phenyl-Hexyl – Enhanced aromatic selectivity, drug metabolites
CN (Cyano) – Medium polarity, alternative selectivity to C18
AQ / Polar Embedded C18 – Polar compounds with high aqueous mobile phase
Normal Phase Columns
Silica – Polar compounds, isomer separation
Amino (NH₂) – Sugars, carbohydrates, normal phase & HILIC
Diol – Mild polar interactions, lipids, isomers
Cyano (CN) – Dual mode (normal & reverse phase)
Ion Exchange Columns
SCX (Strong Cation Exchange) – Basic compounds, amines
WCX (Weak Cation Exchange) – Peptides, proteins
SAX (Strong Anion Exchange) – Organic acids, nucleotides
WAX (Weak Anion Exchange) – Biomolecules, acids
HILIC Columns (Hydrophilic Interaction)
Amide – Polar metabolites, sugars
Zwitterionic – Highly polar compounds
Bare Silica HILIC – Small polar analytes
Size Exclusion (SEC / GPC)
Polymer-based SEC – Polymers, proteins
Silica-based SEC – Biomolecules, aggregates
Specialty Columns
Chiral Columns – Enantiomer separation
Fluorinated (PFP) – Halogenated compounds, pesticides
Mixed-mode (RP + Ion exchange) – Complex matrices
Bio-inert columns – Biopharma, metal-sensitive analytes
100% Dimethylpolysiloxane – General purpose (HP-1)
5% Phenyl / 95% Dimethyl – Pesticides, semivolatiles (HP-5)
6% Phenyl / 94% Dimethyl – Environmental & pharma impurities
Mid-Polar
50% Phenyl / 50% Dimethyl – Aromatics, PAHs (DB-17)
35% Phenyl / 65% Dimethyl – Drugs, steroids
14% Cyanopropylphenyl – FAMEs, fatty acids
Polar
PEG / Wax – Alcohols, residual solvents (DB-Wax)
Carbowax – Oxygenated compounds
FFAP – Organic & free fatty acids
Highly Polar
90% Cyanopropyl – FAME cis/trans (SP-2560)
Biscyanopropyl – Complex isomers
Specialty
PLOT – Permanent gases, light hydrocarbons
Molecular Sieve 5A – O₂, N₂, CO, CH₄
Alumina PLOT – C1–C5 hydrocarbons
Chiral – Enantiomer separation
Low-Bleed MS – GC-MS applications
Common Applications
5% Phenyl – General purpose
Wax – Residual solvents
FFAP – Organic acids
624 Phase – USP <467> residual solvents
C18 – Non-polar compounds, pharmaceuticals
C8 – Moderately hydrophobic analytes
C4 – Proteins, peptides
Phenyl – Aromatics, π-π interactions
Normal Phase
Silica – Polar compounds
Amino (NH₂) – Sugars, polar analytes
Diol – Mild polar interactions
Cyano (CN) – Dual selectivity
Ion Exchange
SCX – Strong cation exchange, basic drugs
WCX – Weak cation exchange, peptides
SAX – Strong anion exchange, acids
WAX – Weak anion exchange, biomolecules
Mixed Mode
C18 + SCX – Basic drugs in plasma
Polymeric RP + Ion exchange – Complex matrices
Multimode – High selectivity cleanup
Polymeric Sorbents
PS-DVB – Wide pH stability
HLB – Hydrophilic-lipophilic balance
SDB – Environmental contaminants
Specialty
Graphitized Carbon Black – Pigments, pesticides
Florisil – Pesticide cleanup
Alumina – Polar impurities
Molecularly Imprinted Polymer (MIP) – Target-specific extraction
SPE Sachet / Pouch Format
Loose Sorbent Sachets – Large volume extraction
Tea-bag Style Sachets – Water/environmental samples
Dispersive SPE (dSPE) – QuEChERS cleanup
Matrix Removal Sachets – Food & biological samples
Product Categories
Vials
Syringes
Disposable Filters
Life Sciences & Bio Product
Tubing Products
Cells
Gas Sampling
Others