Hach-Lange LZV937 - DR 6000 additional software enzymology tests - Handbuch (Seite 33)

English 33
L-ascorbic acid
Procedure for L-ascorbic acid
1. Prepare the test according to the process specification.
2. Select STORED PROGRAMS > SELECT BY NUMBER.
3. Enter the number 2202 for the program "L-ascorbic acid". Confirm
with OK.
4. Press START to start the program.
5. Set sample blank value 1 to carousel position 2, carousel position 1
remains free.
6. Set sample 1 to carousel position 3.
7. Set sample blank value 2 to carousel position 4.
8. Set sample 2 to carousel position 5 and so forth.
9. Press READ CAROUSEL.
Extinction 1 is measured in all cuvettes. R1 is shown on the display.
10. Pipette the reagent into the sample and sample blank value
cuvettes according to the process specification.
11. Press READ CAROUSEL.
The 15:00 timer starts. When the time elapses, two short acoustic
signals are sounded.
Extinction 2 is measured in all cuvettes.
The result is indicated in g/L L-ascorbic acid and g/100 g L-ascorbic
acid on the display.
Program number 2202
Parameter L-ascorbic acid
R-Biopharm AG order number Art. no. 10 409 677 035
Results information
g L-ascorbic acid / L sample solution
g L-ascorbic acid / 100 g sample
Carousel loading
Carousel position 1: Free
Carousel position 2: Sample 1 blank value
Carousel position 3: Sample 1
Carousel position 4: Sample 2 blank value
Carousel position 5: Sample 2
Carousel position 6: Sample 3 blank value
Carousel position 7: Sample 3