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METALWORKING CHEMICALS

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AMINES FOR <strong>METALWORKING</strong><br />

Figure 1<br />

Dissolved Cobalt (ppm)<br />

Figure 2<br />

pH<br />

Cobalt leaching by commonly used<br />

metalworking amines<br />

Titration of 50g of a 5% aqueous solution of isononanoic acid<br />

with various amines<br />

mL of 5% amine solution<br />

6

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