Tintometer Lovibond MD 100 Instrucciones página 23

Add NITRATE TEST
tablet.
• Leave test tubes upright. Wait until the reducing agent has dropped off.
• Then turn the test tube three to four times around.
• Leave the test tube to stand for 2 minutes.
• Open the test tube and wipe the residue of the reduction with a clean cloth.
Decant 10 ml of this sample into a 24 mm vial without causing a reducing agent.
•
Add NITRITE LR tablet.
Dissolve tablet(s) by invert-
ing.
EN Method Reference Book 1.0
Close the test tube with the
lid and mix the contents
by vigorously shaking for
1 minute.
24 mm
Crush tablet(s) by rotating
slightly.
Sample
Place sample vial in the
sample chamber. • Pay at-
tention to the positioning.
Nitrate T / M260
Close vial(s).
Test
Press the TEST (XD:
START)button.