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Lovis 2000 M/ME Low Volume – SOP
Standard Operating Procedure for Low Sample Volume
1
About the SOP
This is a step-by-step guide how to...
Read all safety instructions in the Lovis 2000 M/ME Instruction Manual (Original Instruction)!
Find additional and more detailed information in the Lovis 2000 M/ME Instruction and Reference Manual
and in the Instrument Firmware Manual.
2
Conditioning the Short Capillaries and Plugs
Condition every capillary before using it for the first time. Clean every new hollow plug to remove
particles that would interfere with the measurement.
TIP: Select a suitable cleaning liquid. It must completely dissolve your sample, evaporate easily and
without residues. It must not react chemically with the capillary, the plugs or any of the wetted
parts. Consult the Lovis 2000 M/ME Instruction Manual for more information.
1.
Fill some cleaning liquid into the short capillary (2)
with a syringe (5) with a hollow needle (6).
2.
Push a supplied brush (12) as far as possible into
the short capillary and rotate it. Move it up and
down repeatedly.
3.
Rinse the capillary with some more cleaning liquid
as described above.
4.
Rinse the brush and wipe it with a lint-free cloth or
tissue paper.
2 .... Capillary
5 .... Syringe
6 .... Hollow needle
12 .... Brush
5.
Blow the capillary dry with the built-in air pump:
•
Plug a clean hollow needle 1.2 (gauge 18) onto the Adapter Luer cone (13) of the air hose.
2 .... Capillary
6 .... Hollow needle
13.... Adapter Luer cone of air hose
•
Insert the hollow needle into the
capillary as far as possible.
•
Start the air pump with the button
on the touch screen.
•
The drying time depends on the cleaning liquid, on the temperature and on the ambient air
humidity. Determine the suitable drying time empirically.
Stop the pump with the button
Tel: +43 316 257-0
www.anton-paar.com
•
fill a short capillary with a not too highly viscous liquid
(max. 200 mPa.s) and a steel ball
•
perform a single-point measurement (at one angle and
one temperature) and
•
clean the short capillary.
13
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Created on 12 December 2012
Created by HJ
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Summary of Contents for Anton Paar Lovis 2000 M/ME
- Page 1 Read all safety instructions in the Lovis 2000 M/ME Instruction Manual (Original Instruction)! Find additional and more detailed information in the Lovis 2000 M/ME Instruction and Reference Manual and in the Instrument Firmware Manual. Conditioning the Short Capillaries and Plugs Condition every capillary before using it for the first time.
- Page 2 Lovis 2000 M/ME Low Volume – SOP Standard Operating Procedure for Low Sample Volume Hollow plug Put the hollow plug into some cleaning liquid. Fill a clean syringe (5) with a hollow needle (6) with cleaning liquid. Insert the hollow needle into the plug (7) and rinse the inside of the hollow plug.
- Page 3 Lovis 2000 M/ME Low Volume – SOP Standard Operating Procedure for Low Sample Volume Fix the Filling Adapter Luer Female (1) on the top end of the capillary (2). 1 ..Filling Adapter Luer Female 2 ..Capillary Slowly draw in the sample through the hollow needle.
- Page 4 Lovis 2000 M/ME Low Volume – SOP Standard Operating Procedure for Low Sample Volume 11. Place the funnel (3) on top of the capillary and drop a clean ball (4) into the funnel with the plastic tweezers. 3 ..Funnel 4 ..
- Page 5 Lovis 2000 M/ME Low Volume – SOP Standard Operating Procedure for Low Sample Volume 17. Insert the filled capillary into the capillary block from the front. The twist protection (9) should point upwards. Fit it into the corresponding recess by slightly rotating the capillary.
- Page 6 Lovis 2000 M/ME Low Volume – SOP Standard Operating Procedure for Low Sample Volume Follow the instructions on the display. Select the capillary (from the list of stored measuring systems, see chapter 3, p. 2). Enter the ball batch no. and the ball density (see label of ball vessel) and the adjustment temperature....
- Page 7 Lovis 2000 M/ME Low Volume – SOP Standard Operating Procedure for Low Sample Volume Creating and Editing Measuring Methods (Manager and Administrator only) Tap "Menu > Methods > Method Management". Select a method from the list. Tap <Copy>. Enter a new name for this method. Edit the new method as described below.
- Page 8 If necessary, repeat all steps with a second cleaning liquid. Consult the Lovis 2000 M/ME Instruction Manual for more information. Unscrew the Screw Cap Front Side Closed from the Lovis capillary block. Pull out the capillary by the Filling Adapter Luer Female.
- Page 9 Lovis 2000 M/ME Low Volume – SOP Standard Operating Procedure for Low Sample Volume TIP: If this cleaning method does not yield satisfactory results, brush the short capillary with the supplied brush. Cleaning the ball TIP: Do not handle balls with bare fingers! Finger prints influence the measurement results. If using the plastic tweezers also clean them to avoid contaminating a clean ball with sample residues.
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