Special silica phase for determination of pesticides in food samples with primary and secondary amine functions (PSA). Particle size 45 µm, specific surface 500 m2/g, pH-stability from pH 2 to 8.
POA means "Price On Application". Items displaying POA instead of the sell price do so for a number of reasons, not least because we anticipate some additional information is required in order to supply the most suitable options/configuration to each individual customer.