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Frequently Asked Questions

Which Kromasil product corresponds to the USP column nomenclature?


USP Description Kromasil products
L1 Octadecyl silane chemically bonded to porous silica Kromasil 100 Å C18
Kromasil 300 Å C18
Kromasil Eternity C18
Kromasil EternityXT C18
L3 Porous silica microparticles Kromasil 60 Å SIL
Kromasil 100 Å SIL
Kromasil 300 Å SIL
L7 Octyl silane chemically bonded to porous silica Kromasil 100 Å C8
Kromasil 300 Å C8
L8 An essencially monomolecular layer of aminopropylsilane chemically bonded to totally porous silica Kromasil 100 Å NH2
L10 Nitrile groups chemically bonded to porous silica microparticles Kromasil 60 Å CN
L11 Phenyl groups chemically bonded to porous silica particles Kromasil 100 Å Phenyl
Kromasil Eternity PhenylHexyl
Kromasil EternityXT PhenylHexyl
L13 Trimethylsilane chemically bonded to porous silica microparticles Kromasil 100 Å C1
L26 Butyl silane chemically bonded to totally porous silica particles Kromasil 100 Å C4
Kromasil 300 Å C4