SCHEDULE 2METHODS OF ANALYSIS
8b.DETERMINATION OF DIFFERENT FORMS OF NITROGEN IN THE SAME SAMPLE — IN THE ABSENCE OF CYANAMIDE NITROGEN
REAGENTS
4.27
Indicator papers: litmus, bromothymol blue (or other papers sensitive to pH 6-8).
Indicator papers: litmus, bromothymol blue (or other papers sensitive to pH 6-8).