4-Ethylbenzoic Acid

Silica gel

N,N-Diformylacetamide

5-Bromo-6-chloro-2-picoline

Chromium

3-Fluoro-4-pyridinecarboxaldeh

Perfluoro-tert-butyl alcohol,

2-Amino-p-cresol

DL-3-Octanol

1-(4-Chlorophenyl)-1-cyclohexa

Hafnium standard solution