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Kill ROSE, Work this dirrection, Coordination Challange
Difficulty is each…
Kill ROSE
Select Salt
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Amines
Izutsu (p. 220):
"An amine as a solvent impurity does not show appreciable conductivity but, if it is titrated with a weak acid,
the resulting salt is dissociated and the conductivity increases linearly until the end-point (see Fig. 10.3)."
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Problems with ROSE
What assumptions were made?
How did they investigate the assumptions?
Has it been updated to recent conductivity methods (since 80s?)
Initial problems to investigate:
- Correlation of RISE to theory of conductivity
- ROSE correlation to SIR (initial, final, min, and dendrites)
- Susceptability of ROSE to miss large process variations
- Contributions of different ions
Organic Acids:
- Disassociates into anion and hydronium
- Hydronium tend's to be major current carrier
- Acid dissasociation in IPA/DI will be lower
- Can range over 4 mag different depending on ratio
- ROSE could show much less contamination than there is
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Coordination Challange
Difficulty is each method takes different amont of time
- ROSE few min
- IC few Hours
- Conductimitry 1/2 day?
- SIR 1 week
Do we try and coordinate the first salt or two to see if there is a coorelation
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