Instruction Manual： AQUA kit for MA-3 Solo NIC-TD-0000187-01
Nippon Instruments Corporation 10
CLEANING OF GLASSWARE
On returning from on-site work, be sure to carry out the alkaline cleaning and acid cleaning
of the glassware. Insufficient cleaning may cause the dispersion of measurement values.
The mercury collector tube cannot be cleaned. Perform the blank process after the usage.
(Refer to “4.4 BLANK PROCESS OF MERCURY COLLECTOR TUBE”)
(1) After rinsing the glassware with water, put the glassware in a container into which
alkaline detergent has been poured, and carry out ultrasonic cleaning for 30 minutes.
If alkaline detergent is not available, 0.1 mol/L sodium hydroxide solution will also be
effective.
If an ultrasonic cleaner is not available, keep the glassware in detergent overnight, and
then scrub the glassware using a brush.
(Brushing after ultrasonic cleaning is more effective.)
(2) After rinsing the glassware sufficiently with water, carry out ultrasonic cleaning for 30
minutes using nitric acid (1:10) in the same way.
(3) After rinsing the glassware with water, rinse the glassware with pure water.
(4) Carry out drying and keep the glassware free of dust and pollution from air.
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