Special silica phase for SPE of THC and derivatives acidic analytes from biological fluids (urine, blood ...)
base material silica, pore size 60Å, particle size 45µm, specific surface 500m²/g, pH stability 2 to 8, special bifunctional modification - C8/ SB (strong anion exchanger - quaternary amine).
Recommended applications: extraction of THC and derivatives from urine, blood, serum, plasma, acidic analytes from biological fluids. | 
