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Reagents:
Carrier: Matrix Match
Matrix Match.
If samples are water then use
water as carrier.
The salinity should be matched
if applicable.
Reagent 1:
Buffer/Masking
Solution
Measure
out the following into a 1-liter beaker.
200 g ammonium
acetate
20 g tetrasodium salt of EDTA
8.0 g disodium salt of NTA
(nitrilotriacetic acid)
Add 500 mL distilled
water and stir to dissolve.
Add 100
mL concentrated acetic acid (use hood).
Add stir bar and mix
well until the solution becomes
transparent.
Transfer to a plastic
bottle
Reagent 2:
Azomethine-H
Solution (use hood)
Measure out the following
into a 1-liter beaker.
5 g
ascorbic acid
2.25 g
Azomethine-H, monosodium salt,
monohydrate
Add 600 mL distilled water
and stir to dissolve.
Reagent 2 stays good for 3-5
days.
Keep refrigerated in the dark.
Standards:
100ml
PLB1-100
(Boron standard)
Source:
727-524-7732 -
www.exaxol.com
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