Camlab Lovibond MD 610, Инструкция по эксплуатации

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MD 610_2d 11/2019
1.2.2 Cleaning of vials and accessoriesfor analysis
Vials, caps and stirring rods should be cleaned thoroughly after each analysis to prevent
interferences.
Procedure:
Clean vials and accessoriesafter each analysis as soon as possible.
a. Clean vials and accessorieswith laboratory detergent
(e.g. Extran
® MA 02 (neutral, phosphatic), Extran ® MA 03 (alkaline, phosphate-free)
from Merck KGaA).
b. Rinsethoroughly with tap water.
c. On demand (seeNotes) perform special cleaning as required, e.g.: rinse with diluted
Hydrochloric acid solution.
d. Rinsethoroughly with deionised water.
1.2.3 Guidelines for photometric measurements
1. Vials, capsand stirring rods should be cleaned thoroughly after each analysisto prevent
interferences. Evenminor reagent residues can causeerrors in the test result.
2. The outside of the vial must be clean and dry before starting the analysis. Clean the
outside of the vials with a towel. Fingerprints or other marks will be removed.
3. If there is no defined vial for the blank, the zeroing and the test must be carried out with
the same vial as there may be slight differences in optical performance between vials.
4. The vialsmust be positioned in the samplechamber for zeroing and test with the mark
on the vial aligned with the mark on the instrument.
Correct position of the vial (Ø 24 mm):