The measurments are simple and quick
so the inexperienced people or students can also do these procedures.
The samples usually do not require
preparation.
With the test strips is possible
the analysis on the surface section.
This tests are specific for one
ion or compound.
The results are trustworthy and
they are almost the only one possibility for quantitative and qualitative
analysis for those who do not have an analytical laboratory.
These sets need small place so
they are mobile.