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APPENDIX: Composition of the test powder containing copper oxycloride

COMPOSITION

Copper in the form of copper oxychloride trihydrate (3CuO×CuCl2×3H2O) : 45%

Lignosulfonate : 5%

Calcium carbonate (CaCO3) : 8%

Sodium sulfate decahydrate (Na2SO4×10H2O) : 11%

SIZE OF THE PARTICLES

< 20 mm : 98% min.

< 10 mm : 90% min.

< 5 mm : 70% min.

IMPURITIES IN THE TECHNICALLY ACTIVE MATERIAL (3.5% MAX.)

Water : 2% max.

Ash : 1.5% max. (in addition to the copper).

SOLUBILITY

Slowly soluble in water and organic solvents.

Soluble in strong mineral acids.

Soluble in solutions of ammonia and amines through the formation of complexes.

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