USP L Phases

L1: Octadecyl silane chemically bonded to porous silica particles 1.8 to 10 µm diameter

ManufacturerSuggested Packing
WatersAtlantis dC18
WatersAtlantis T3
WatersNova-Pak
WatersSpherisorb ODS1
WatersSunFire C18
WatersSymmetry C18
WatersSymmetry Shield C18
WatersSymmetry Shield RP18
WatersSymmetry Shield RP8
WatersSymmetry300 C18
WatersXbridge BEH C18
WatersXbridge BEH Shield RP18
WatersXbridge Peptide BEH C18
WatersXselect CSH C18
WatersXselect HSS C18
WatersXselect HSS C18 SB
WatersXselect HSS T3
WatersXselect Peptide CSH C18
WatersXterra MS C18
WatersXterra Shield RP18
WatersμBondapak
RStechHector-A
RStechHector-M
RStechHector-T
RStechHector-W
DiKMADiamonsil C18(2)
DiKMABio-Bond C18
DiKMADiamonsil C18
DiKMAEndeavorsil
DiKMAInspire C18
DiKMALeapsil
DiKMAPlatisil C18
DiKMAPlatisil CN
DiKMASpursil C18
DiKMASpursil C18-EP
AgilentPoroshell 120
AgilentPursuit
AgilentPursuit XRs
AgilentZORBAX Eclipse Plus
AgilentZORBAX Eclipse XDB
AgilentZORBAX Extend-C18
AgilentZORBAX Rx
AgilentZORBAX SB

L3: Porous silica particles, 5 to 10 µm diameter

Manufacturer
Suggested Packing
WatersNova-Pak
WatersSpherisorb W Silica
WatersSunFire Silica
WatersXbridge BEH HILIC
RStechHector-M
DiKMAInspire HILIC
DiKMAPlatisil Silica
AgilentPursuit XRs

L7: Octyl silane chemically bonded to totally porous silica particles, 1.8 to 10 µm diameter

ManufacturerSuggested Packing
WatersNova-Pak
WatersSpherisorb C8
WatersSunFire C8
WatersSymmetry C8
WatersXbridge BEH C8
WatersXterra MS C8
WatersXterra Shield RP8
RStechHector-A
RStechHector-M
RStechHector-W
DiKMADiamonsil C8(2)
DiKMADiamonsil C8
DiKMABio-Bond C8
DiKMAInspire C8
AgilentPoroshell 120
AgilentPursuit
AgilentPursuit XRs
AgilentZORBAX Eclipse Plus
AgilentZORBAX Eclipse XDB
AgilentZORBAX Rx
AgilentZORBAX SB

L8: An essentially monomolecular layer of aminopropyl silane chemically bonded to totally porous silica gel support, 3 to 10 µm diameter

ManufacturerSuggested Packing
WatersSpherisorb NH2
WatersμBondapak
RStechHector-M
RStechHector-W
DiKMAPlatisil NH2

L10: Nitrile groups chemically bonded to porous silica particles, 3 to 10 µm diameter

ManufacturerSuggested Packing
WatersNova-Pak
WatersSpherisorb CN Normal Phase
WatersSpherisorb CN Reversed Phase
WatersXselect HSS CN
RStechHector-M
AgilentZORBAX Eclipse XDB
AgilentZORBAX SB

L11: Phenyl groups chemically bonded to porous silica particles, 3 to 10 µm diameter

ManufacturerSuggested Packing
WatersNova-Pak
WatersSpherisorb Phenyl
WatersXbridge BEH Phenyl
WatersXselect CSH Phenyl-Hexyl
WatersXterra Phenyl
WatersµBondapak
RStechHector-M
DiKMAPlatisil PH
AgilentZORBAX Eclipse Plus
AgilentZORBAX Eclipse XDB
AgilentZORBAX SB

L13: Trimethylsilane chemically bonded to porous silica particles, 3 to 10 µm in diameter.

ManufacturerSuggested Packing
WatersSpherisorb C8

L14: Silica gel having a chemically bonded, strongly basic quaternary ammonium anion-exchange coating, 5 to 10 µm diameter.

ManufacturerSuggested Packing
WatersSpherisorb SAX

L15: Hexyl silane chemically bonded to totally porous silica particles, 3 to 10 µm in diameter.

Suggested PackingManufacturer
Spherisorb C8Waters

L20: Dihydroxypropane groups chemically bonded to porous silica particles, 5 to 10 µm diameter.

ManufacturerSuggested Packing
DiKMAInspire Diol

L26: Butyl silane chemically bonded to totally porous silica particles,  5 to 10 µm diameter

ManufacturerSuggested Packing
WatersSymmetry 300 C4
WatersXBridge Peptide BEH C4 
RStechHector-M
RStechHector-W
DiKMABio-Bond C4

L43: Pentafluorophenyl groups chemically bonded to silica particles by a propyl spacer, 5 to 10µm diameter.

ManufacturerSuggested Packing
WatersXSelect CSH Fluoro-Phenyl 
WatersXSelect HSS PFP

L56: Propyl silane chemically bonded to totally porous silica particles, 3 to 10 mm in diameter

ManufacturerSuggested Packing
Agilent
ZORBAX SB

L60: Spherical porous silica gel, 3 or 5 µm diameter, the surface of which has been covalently modified with alkyl amide groups and endcapped.

ManufacturerSuggested Packing
AgilentZORBAX Bonus-RP

L68: Spherical, porous silica; 100 µm or less in diameter, the surface of which has been covalently modified with alkyl amide groups and not end-capped.

ManufacturerSuggested Packing
WatersXBridge Glycan BEH Amide
WatersXBridge BEH Amide