Hach NA5600 sc Na+ Instalación página 38

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Items supplied by the user:
• Personal protective equipment (refer to MSDS/SDS)
• Volumetric flask, 500 mL
• KCl, 111.75 g
• Ultra pure water, 500 mL
1. Put on the personal protective equipment identified in the safety data sheet (MSDS/SDS).
2. Rinse the volumetric flask with ultra pure water three times.
3. Add approximately 111.75 g of KCl to the volumetric flask.
4. Add 100 mL of ultra pure water to the volumetric flask.
5. Shake the volumetric flask until the powder is fully dissolved.
6. Add ultra pure water to the 500-mL mark.
7. Shake the volumetric flask to fully mix the solution.
8. Put the unused KCl electrolyte in a clean plastic bottle. Put a label on the bottle that identifies the
solution and the date it was prepared.
Note: The approximate shelf life of the prepared electrolyte is 3 months.
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