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Imtakt Unison US-C1 10mm ID, 30mm Length, 5um,Methyl, End-capped - US1P1

Price: £450.24


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Unison US-C1 Acid-stable 5µm C1 Methyl column

Unison US-C1 Methylsilyl ligands End-capped 5µm 130 Å pH 1.5 - 9 30mm x 10mm Semi-preparative HPLC Column, Pressure Limits of up to : 20MPa, 250 bar, 3,500 psi

Imtakt Product Number: US1P1

Column Specifications:

Base Material: Silica
Quantity: 1 piece
Chemistry: C1 
Manufacturer Chemistry Name:  US-C1
Modification: multi-mode
Endcapping:  +
Matrix: Silica
Brand: Imtakt Unison 
Internal Diameter: 10 mm 
Length: 30 mm  
Particle Morphology: spherical, porous
Particle Size: 5 μm
Pressure Stability: 250 bar
Pore Size:  130 Å
pH minimum: 1.5
pH Maximum: 9
M.W.: up to 10kDa
Technology: HPLC
USP Class: L13

Low carbon C1 columns have been used for decades as alternative selectivity columns to the use of traditional C18s or when analyzing highly hydrophobic compounds that have too much retention on a C18 column. The weak attachment of a single carbon to the silica surface, has often been a weak point for these columns, making them vulnerable to degradation especially under acidic conditions, such as the use of TFA-containing mobile phases. Our Unison US-C1 column was developed to address this weakness, utilizing ligand stabilizing techniques we developed in other columns such as the Scherzo or Intrada series. This proprietary process has resulted in the most stable C1 column on the market for use in acidic conditions.

  • World’s first C1 column designed for stability in acidic conditions
  • Ideal for highly hydrophobic compounds that retain too strongly on C18s
  • Allows uniform access to surface silanols for enhanced polar selectivity
  • Alternative selectivity from traditional C18 columns
  • Balanced mixture of polar and non-polar retention mechanisms
  • Lower molecular recognition may give single peaks for branched chain isomers

Range of Unison US-C1 5µm Columns, Product Numbers:

Column Length (mm) Analytical Semi-prep Prep
1.0 mm I.D. 1.5 mm I.D. 2.0 mm I.D. 3.0 mm I.D. 4.0 mm I.D. 4.6 mm I.D. 6.0 mm I.D. 10.0 mm I.D. 20.0 mm 28.0 mm
5 µm Columns, Pressure Limits of up to : 20MPa, 250 bar, 3,500 psi
10     US120 US130   US100        
20     US129 US139   US109        
30 US111 US171 US121 US131   US101 US161 US1P1    
50 US112 US172 US122 US132   US102 US162 US1P2 US1Q2  
75 US113 US173 US123 US133   US103 US163 US1P3    
100 US114 US174 US124 US134   US104 US164 US1P4 US1Q4  
150 US115 US175 US125 US135 US145 US105 US165 US1P5 US1Q5  
250 US116 US176 US126 US136 US146 US106 US166 US1P6 US1Q6 US1R6

Column Guard System for Unison US-C1:

Product Code Product Name Product Description
GCUS1C Guard Cartridge US-C1 5um,Methyl, End-capped (5x1mm), 3pcs, for 1-1.5mm ID columns
GCUS1M Guard Cartridge US-C1 5um,Methyl, End-capped (10x8mm), 2pcs, for 10-20mm ID columns
GCUS1S Guard Cartridge US-C1 5um,Methyl, End-capped (5x2mm), 3pcs, for 2-6mm ID columns
GCH01S Guard Holder Guard Holder for 1-6mmI.D. separation columns
GCH02M Guard Holder Guard Holder for 10-20mmI.D. separation columns
GCH11S Guard Holder Guard Holder for 4.6mm column, enclosed an U-Shape column coupler
GCH12M Guard Holder Guard Holder for 10-20mm column, enclosed an U-Shape column coupler

All stationary phases can also be made in the following internal diameters, please contact our Sales Team with your specificatons: Nano: 0.02mm, 0075mm | Capillary: 0.1mm, 0.3mm, 0.5mm | Semi-Prep: 20mm, 28mm.

This Column is also Available in 3μm!

Additional Imtakt Columns Available


  • Model: US1P1
  • Manufactured by: Imtakt

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