{TAIL ~ Active composite} consisting of {HEAD ~ a compressed support} and of at least one agent which is active towards a gas, the compressed support including recompressed expanded graphite which has a density of between 0.02 and 1.5 
{ TAIL ~ Active composite } consisting of { HEAD ~ a compressed support } and of at least one agent which is active towards a gas , the compressed support including recompressed expanded graphite which has a density of between 0.02 and 1.5
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH