The analysis of fertilizers - Part 3: Method for
the determination of nitrogen
(Second revision)
This part of Malaysian Standard describes methods for the determination of nitrogen in fertilizers.
The methods are applicable to fertilizers for which the determination of the different forms of nitrogen as follows:
a)ammoniacal nitrogen (as N);
b)nitrate nitrogen (as N);
c)urea nitrogen (as N);
d)nitrate nitrogen and ammoniacal nitrogen (as N);
e)ammoniacal nitrogen and urea nitrogen (as N);
f)nitrate nitrogen and urea nitrogen (as N); and
g)total nitrogen (as N).
The nitrogen content is expressed in the form of N.