An antimonate, such as potassium antimonate, is used as {TAIL ~ the destruction catalyst} in {HEAD ~ nitrogen determinations} according to the Kjeldahl principle 
An antimonate , such as potassium antimonate , is used as { TAIL ~ the destruction catalyst } in { HEAD ~ nitrogen determinations } according to the Kjeldahl principle
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH