Oxygen Scavengers
119251
Test
Add 1 powder pack of
Oxyscav 1 and close
with the screw cap.
Swirl the cell to dissolve
the solid substance.
Measuring range: 0.020 – 0.500 mg/l DEHA* 20-mm cell
* N,N-diethylenhydroxylamine
0.027 – 0.666 mg/l Carbohy* 20-mm cell
* carbohydrazide
0.05 – 1.32 mg/l Hydro* 20-mm cell
* hydroquinone
0.08 – 1.95 mg/l ISA* 20-mm cell
* isoascorbic acid
0.09 – 2.17 mg/l MEKO* 20-mm cell
* methylethylketoxime
Pipette 10 ml of the
sample into into a emp-
ty round cell (Empty
cells, Cat.No. 114724).
Reaction time:
10 minutes, protect
from light in the pro-
cess, measure imme-
diately.
Quality assurance:
To check the measurement system (test reagents, meas-
urement device, and handling) a o
xygen scavengers stan-
dard
solution must be prepared from N,N-diethylhydroxyl-
amine, Cat.No.
818473 (see section “Standard solutions”).
Add 0.20 ml of
Oxyscav 2 with pipette,
close with the screw
cap, and mix.
Transfer the solution into
a rectangular cell.
Select method with
AutoSelector.
Place the cell into the
cell compartment.
Release 06/2014 - Spectroquant
®
UV/VIS Spectrophotometer Pharo 300
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