282
MD 610_2d 11/2019
TOC LR
with MERCKSpectroquant
®
Cell Test, No. 1.14878.0001
5.0 – 80.0 mg/l TOC
Use two clean suitable glass containers and mark one as
blank for zeroing.
1.
Fill a clean glass container with
25 ml of deionised
water
(this is the
blank
).
2.
Fill the other clean glasscontainer with
25 ml of the
water sample
(this is the
sample
).
3.
Fill each glasscontainer with drops of the same size by
holding the bottle vertically and squeezeslowly:
3 drops reagent TOC-1K
and mix.
4.
pH value of the solution must be below 2.5.
If necessaryadjust the pH with sulphuric acid.
5.
Stir for
10 minutes
at medium speed(magnetic stirrer,
stirring staff).
Digestion:
Use two clean reaction tubes (16 mm Ø) and mark one as
blank
for zeroing.
6.
Pipette
3 ml pre-prepared blank
into one reaction
tube (blank).
7.
Pipette
3 ml pre-prepared sample
into one reaction
tube (sample).
8.
Add
1 level microspoonof reagent TOC-2Kto each
reaction tube.
9.
Immediately
closethe vialstightly with an aluminium
cap.
Ø 16 mm
3
8
0
Summary of Contents for Lovibond MD 610
Page 14: ...8 MD 610_2d 11 2019...
Page 15: ...9 MD 610_2d 11 2019 Part 1 Methods...
Page 87: ...81 MD 610_2d 11 2019...
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Page 306: ...300 MD 610_2d 11 2019...
Page 307: ...301 MD 610_2d 11 2019 Part 2 Instrument Manual...
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