Magnesium halide supported on an activated carbon prepared under {TAIL ~ vacuum} will remove water at {HEAD ~ 1 to 500 ppm} 
Magnesium halide supported on an activated carbon prepared under { TAIL ~ vacuum } will remove water at { HEAD ~ 1 to 500 ppm }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD