Fully automated determination of fluorine in copper concentrates

Fully automated determination of fluorine in copper concentrates

Combustion IC

The new combustion IC from Metrohm offers a novel and robust method ideal for fluorine analysis of Cu concentrates.

Concentrates are the raw material for all copper smelters, which by processing it obtain an impure form of metallic copper, anode or blister copper, which is later used to produce high purity refined copper.

Metrohm’s Combustion IC offers a robust method ideal for fluorine analysis of Cu concentrates.

The production of concentrates implies the crushing and later milling of the ore down to a particle size allows releasing copper by flotation. The concentrates from different regions have approximately between 24% up to 36% of copper. Copper concentrates are then submitted to a final filtration and drying process to decrease the humidity to 8-9%. Flourine is a deleterious element in the concentrate due to its corrosive nature and the determination of it is of vital importance not only to the analytical laboratory but also to the process metallallurgist and the end buyer.

Due to this, penalties have been set by the buyer depending on the amount present.

Current laboratory techniques involve a long cumbersome fusion with a potentiometric ion selective electrode finish. However this method is prone to huge analytical errors. The new combustion IC from Metrohm offers a novel and robust method that is ideal for these types of samples.

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