28111100

HYDROGEN FLUORIDE(HYDROFLUORIC ACID)

28111910

HYDROCYANIC ACID (HYDROGEN CYANIDE, PRUSSIC ACID

28111920

HYPOPHPSPHOROUS ACID (PHOSPHINIC ACID)

28111930

ACIDS OF ARSENIC

28111940

SULPHONIC ACID

28111990

OTHER INORGANIC ACIDS

28112110

DRY ICE

28112190

CARBON DIOXIDE IN OTHER FORM

28112200

SILICON DIOXIDE

28112910

ARSENIC PENTOXIDE

28112920

ARSENIC TRIOXIDE

28112930

NITROUS OXIDE

28112940

CARBON MONOXIDE

28112950

SULPHUR TRIOXIDE (SULPHURIC ANHYDRIDE)

28112990

OTHER INORGNC OXGN COMPNDS OF NON-MTLS, NES