Selection of CHROMABOND

 

CHROMABOND® HR-Xpert,

polymer RP and mixed-mode phases for acidic, basic and neutral compoundsPhases for water-soluble, non-ionic samples

Phases for water-soluble, ionic samples

Phases for samples soluble in organic solvents

Special phases for food, drug or environmental analysis

Products for phase separation or liquid-liquid extraction

SPE method development kits

 

Phase selection for water-soluble, non-ionic samples
Sample solvent	Sample polarity	Phases recommended for adsorption		Solvents recommended for elution (selection)
aqueous	nonpolar	RP phases	HR-X, Easy, HR-P, C18 ec, C18, C18 Hydra, C8, C4, C2, C6H11 ec, C6H5	hexane, dichloromethane, acetonitrile, alcohols
		NP phases	CN	trichloromethane, dichloromethane
aqueous	moderately polar		SiOH,NH2	ethyl acetate, alcohols, water
aqueous	polar		CN, OH (Diol), NH2, HILIC	as above
Phase selection for water-soluble, ionic samples
Sample solvent	Sample polarity	Phases recommended for adsorption		Solvents recommended for elution (selection)
aqueous	cationic	Ion exchange phases	HR-XC, HR-XCW, PS-H+, SA, PCA, PSA	acids, salt solutions, buffers
aqueous	anionic		HR-XA, HR-XAW, PS-OH–, SB	acids, salt solutions, buffers
		NP phases	NH2
Phase selection for samples soluble in organic solvents
Sample solvent	Sample polarity	Phases recommended for adsorption		Solvents recommended for elution (selection)
aqueous	nonpolar	RP phases	HR-X, Easy, HR-P, C18 ec, C18, C18 Hydra, C8, C4, C2, C6H11 ec, C6H5, PS-RP	hexane, dichloromethane, acetonitrile, alcohols
		NP phases	CN	chloroform, dichloromethane
organic	moderately polar		SiOH, NH2	ethyl acetate, alcohols, water
organic	polar		CN, OH (Diol), NH2, HILIC	as above