1. Match the analytes on the left with the most appropriate stationary phase, ba
ID: 633785 • Letter: 1
Question
1.
Match the analytes on the left with the most appropriate stationary phase, based on the analyte properties:
Answer
Analysis of metal cations in industrial waste
Analysis of the size heterogeneity of gold nanoparticles
Analysis of dissolved halogens in drinking water
Analysis of hydrophobic membrane peptides
Analysis of a basic drug mixture
Answer
A.
Polystyrene resin with sulfonic acid groups
B.
Polystyrene resin with a tertiary amine groups
C.
Silica with a 1000 angstrom average pore size
D.
Silica beads with bonded n-octadecyl groups
E.
Silica beads with bonded cyano groups
Analysis of metal cations in industrial waste
Analysis of the size heterogeneity of gold nanoparticles
Analysis of dissolved halogens in drinking water
Analysis of hydrophobic membrane peptides
Analysis of a basic drug mixture
Answer
A.
Polystyrene resin with sulfonic acid groups
B.
Polystyrene resin with a tertiary amine groups
C.
Silica with a 1000 angstrom average pore size
D.
Silica beads with bonded n-octadecyl groups
E.
Silica beads with bonded cyano groups
Explanation / Answer
Analysis of metal cations in industrial waste => E.Silica beads with bonded cyano groups
Analysis of the size heterogeneity of gold nanoparticles => C. Silica with a 1000 angstrom average pore size
Analysis of dissolved halogens in drinking water => B.Polystyrene resin with a tertiary amine groups
Analysis of hydrophobic membrane peptides => D.Silica beads with bonded n-octadecyl groups
Analysis of a basic drug mixture => A. Polystyrene resin with sulfonic acid groups
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