Clean Spills; Sample Line And Valve Cleanup; Clean The Sample Cell - Hach 5500sc Mantenimiento Y Solución De Problemas

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Clean spills

Chemical exposure hazard. Dispose of chemicals and wastes in accordance with local, regional and
national regulations.
1. Obey all facility safety protocols for spill control.
2. Discard the waste according to applicable regulations.

Sample line and valve cleanup

Chemical exposure hazard. Obey laboratory safety procedures and wear all of the personal protective
equipment appropriate to the chemicals that are handled. Refer to the current safety data sheets
(MSDS/SDS) for safety protocols.
New tubing, valves and other sample conditioning equipment may be contaminated with silicate-
based substances (oils, dust). These may contribute to slightly high readings until they are cleaned.
1. Flush the sample line with sample for one to two hours.
2. For an expedient procedure, inject one to four liters of a dilute caustic solution such as 1N (5%)
sodium hydroxide solution into the front end of the sample line. Force the solution through the
analyzer to clean sample system components.

Clean the sample cell

Chemical exposure hazard. Obey laboratory safety procedures and wear all of the personal protective
equipment appropriate to the chemicals that are handled. Refer to the current safety data sheets
(MSDS/SDS) for safety protocols.
Put the analyzer in shutdown mode. Refer to
Clean the sample cell in the colorimeter as needed. Refer to
Items to collect:
• Cotton swabs, wooden or paper. Do not use swabs with plastic sticks.
C A U T I O N
C A U T I O N
C A U T I O N
Put the analyzer in shutdown mode
Figure 1
on page 4.
and
Figure
2.
English 5

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