4.3 Washing and Cleaning
HA-8190V 4-29
4.3.3 Automatically Washing the Tubes After Measurement
You can automatically wash tubes after sample measurement by loading a washing rack after sample racks with
samples. Set sample tubes with washing solution for tubes in the washing rack.
Prepare: Washing solution for tubes, sample tube (for tube washing,
1, see “REFERENCE” above), washing rack
(label: WASH), sample containers and racks needed for normal measurement, and protective gloves
1 Prepare samples and the washing solution for tubes.
a Prepare samples for normal measurements.
• See steps 1 to 3 in “2.5.1. Preparing Samples” on page 2-18.
b Prepare the washing solution for tubes.
• See step 2 in “4.3.2. Automatically Washing the Tubes” on page
4-27.
c Load the sample racks for normal measurements onto the
sampler.
• See step 4 in “2.5.1. Preparing Samples” on page 2-21.
d Load the washing rack onto the sampler.
Wear protective gloves to prevent exposure to pathogenic microbes.
Discard liquid waste, used sample tubes and protective gloves in accordance with local
regulations for biohazardous waste.
REFERENCE:
Use the following sample tubes for automatic tube washing:
• About 15 mm diameter and 75 to 100 mm length
• About 13 mm diameter and 100 mm length
NOTE:
Be sure to set the washing solution for tubes in the washing rack. Use of other racks may damage the
instrument or seriously degrade the column, requiring its replacement.
NOTE:
Measurements are not performed if a sample rack is set after the washing rack.
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