Solution in ppm="when 1mg compound dissolved to 1000ml it
is 1ppm solution".1% solution means 1gm dissolved to 100ml
1gm is nothing but 1000mg, 1000mg dissolved to 1000 ml
gives 1000ppm and as this 1gm dissolved to 100ml this is
100000 ppm solution.
PARTS PER MILLION ''''''GUYS its measure of a single part
of particular compound it depend's upon the "
molecular weight of the compund"
coz ,,, that will decide how much weight is one part of
that compound '' then it can be converted into parts for a
millionth of the volume"