Appendix 2 – Hanna Instruments HI 901 User Manual

Page 132

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A2-6

APPENDIX 2

• Slide the stirrer assembly up.
• Put the beaker on a hotplate.
• Heat gently until all the effervescence has ceased, then boil it for 1-2 minutes. Some

of the inactive tablet material may not dissolve; however, this should not interfere

with the titration.

• Cool the solution to the room temperature and put the beaker under the stirrer

asembly.

• Lower the stirrer assembly until it rest on its positioning collar.
• Adjust the height of the stirrer by using the positioning screw of the positioning

collar to have the propeller as close as possible to the bottom of the beaker.

• Press

to proceed to the second phase of the analysis.

• This phase is a normal equivalence point titration.

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