METHOD FOR MAKING POTASSIUM SULFATE TABLETS CONTAINING OF CATALYTIC ADDITIVE AGENT, APPLICABLE TO THE QUATITATIVE DETERMINATION OF NITROGEN CONTENT IN MATERIALS

摘要

Potassium sulphate, contg. min. 70 wt.% of 0.1-1.0 mm particles, is mixed with (wt.%) Se or HgO 0.05-10 and water 0.2-0.6 and is then pressed into tablets by conventional methods.