CATALYSTS FOR THE GASEOUS PHASE FLUORINATION OF ALIPHATIC CHLORINATED DERIVATIVES USING ACTIVE CARBON IMPREGNATED WITH CHROMIUM SULFATE; FLUORINATION PROCESSES MAKING USE OF SAID CATALYSTS

摘要

specific disclosure.the invention relates to catalysts for fluorinationgas chromatography of aliphatic chlorinated derivatives witha system of active carbon with a surfacetotal specific above 10