Voith BTG Mutek PCD-06, Operation Manual, Page: 28 / 60

26 Operation Manual Mütek
TM
PCD-06 © BTG 2021
IV. Installation
4.5.2 Acids/bases
Use diluted acids as titrants for anionic samples, and
diluted bases for cationic samples.
Hydrochloric acid, sulphuric acid and sodium hydroxide
solution have proven useful in this context and are nor-
mally applied in concentrations of 0.1 - 0.01 mol/l.
4.5.3 Cleaning solution
Warning
Acids and bases must only be handled by qualiefied
personal.
Acids and bases must be reomoved from the unit before
shipment.
Warning
Acetone and the cleaning solution are highly inflam-
mable.
Warning
Please follow the safety instructions in chapter 1.5
"General safety directions", page 9.
The cleaning solution for manual cleaning of the measu-
ring cell of the Mütek™ PCD-06 is available from BTG
Instruments AB or can be produced from 50 parts
sodium bromide (NaBr) and 50 parts acetone plus 125
parts water.
• Prepare the above proportions.
• Fill water into a suitable vessel.
• Add sodium bromide and dissolve.
Hint
Take care that sodium bromide dissolves completely.
• Add acetone and mix gently.
Information
Selection of an optimum detergent depends on the
sample concerned.