Iron Count Test Kit
Part #161-70
Ferric iron concentration is determined in this procedure by the oxidation
of iron to the ferric state at a pH value of 1 or less. The sample is then
titrated with a standard EDTA solution in the presence of a salicylic acid
indicator at a pH of approximately 2.4. Hydrogen sulfide interferes with
the complexing action of both the EDTA solution and the salicylic acid.
The hydrogen sulfide can be removed by boiling the sample with hydrochloric
acid at a pH level below 1. Results are reported as ppm Fe+3 or
as epm Fe+3.
Components:-
161-70
IRON COUNT TEST KIT, WITH AUTO. BURETTE, LABWARE & REAGENTS
Reagents:-
200-10-1
HYDROGEN PEROXIDE; 3%; 2 OZ
-
205-00
VERSENATE HARDNESS TITRATION SOLUTION 1ML-2 EPM; 16 OZ
-
205-12
VERSENATE HARDNESS TITRATION SOLUTION 1ML=20 EPM; 16 OZ
-
270-00
*NITRIC ACID;3 N; 8 OZ (UN2031)
-
275-00
*HYDROCHLORIC ACID; 37%; CONC 2 OZ (UN1789)
-
285-37
IRON INDICATOR SOLUTION; 2 OZ
-
285-40
IRON BUFFER SOLUTION; 2 OZ
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