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There is of course very easy maths behind this, but for your convenience look at this
table as a help:
Volume method
If you choose this method you should have a 500-1000ml ”graduated cylinder” or
”volumetric flask” to perform this mixing. If you have not, go for the ”
weight
method ”.
We also recommend using a funnel to avoid spilling any
reagent or water.
The volume relation between
reagent/RO water should be exact 1/4.
It is advisable to not mix too much at each occasion.
We recommend mixing a maximum 2.5-3 liter each
time.
That will last around 8-9 weeks in normal usage. If
you mix larger quantity each time, and maybe do some
slight error, you will regret that.
If you for instance wants to have 2000ml of a ready to
use solution, then pour up exactly 400 ml reagent, and
mix that with 1600 ml RO-water. Always use 4 times
more RO-water than the reagent, thus keep the 4/1
relation, and it will be correct. There is of course very
easy maths, but for your convenience look at this table
as a help:
Weight of reagent Final weight after adding RO-water
200 g 1000 g
300 g 1500 g
400 g 2000 g
500 g 2500 g
600 g 3000 g
Graduated cylinder
and funnel.
Volumetric flask