Lovibond Tintometer MD 100 Manual De Instrucciones página 7

COD LR TT / M130
15 ºC
EN
After the complete addition
of the sulfuric acid, cool to
room temperature in the ice
bath.
12
11
10
9
8
7
6
Stir at about 250 rpm for
120 minutes at room
temperature (a turbidity
may be formed).
This sample is used for the analysis of COD. Due to this pretreatment procedure the
original sample has been diluted by a factor of 2.05.
CSB = CSB
sample
Implementation of the provision COD LR with Vario Vial Test
Select the method on the device
Prepare two reaction vials.
Mark one as a blank.
8
25 ºC
Add 6 - 7 g soda lime
powder into the absorption
tubes.
120 min
1
2
3
4
5
x 2.05
display
Blank
Put 2 ml deionised water
in the blank.
Close the absorption tubes
with a plug and fit onto the
Erlenmeyer flasks.
2 ml
Blank
Put 2 ml sample in the
sample vial.
EN Method Reference Book 1.0
2 ml
Sample