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