Hach-Lange LUMISTOX 300 LPV321 User Manual User Manual

Page 19

Advertising
background image

LUMIStox 300 Operating Manual

Dr. Bruno Lange GmbH

______________________________________________________________________________

______________________________________________________________________________

Page: 19

9.

Enter the initial test settings and the required type of result on the LUMIStox 300.

9.

Measure the initial luminescence of the bacteria suspensions at the specified

time intervals.

10.

Immediately after each measurement, pipette 0.5 ml control solution or sample

dilution from the corresponding position in row A into the bacteria suspension in

row B or C.

12.

Wait for incubation period 1 (30 minutes for acute toxicity) to elapse.

13.

Measure the interim luminescence of the control and test solutions at the

specified time intervals, and note or print the results.

14.

Put the bacteria suspensions back into their positions in the LUMIStherm; do not

switch off the LUMIStherm.

15.

Leave while incubation period 2 elapses (24 hours for chronic toxicity). During

this time the LUMIStox 300 can be used for other tests or switched off. In this

case stop the test with <

> and <

>.

16.

Switch on LUMIStox 300 and select evaluation mode <chrn>. The residual

incubation time is displayed.

17.

Measure the final luminescence of the control and test solutions at the specified

intervals and record or print the results.

18.

Select evaluation mode <OD> on the LUMIStox 300. Measure the OD of the test

solutions against 2% NaCl solution and record the results.

Advertising