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See Chinese contents: GB/T 2286-2017 GB/T 2286-2017: Determination of total sulfur composition of coke
This Standard specifies the method principle, reagents and materials, instruments and equipment, specimen collection, test steps, result calculation and precision for the determination of total sulfur composition in coke by Eschka method, high temperature combustion method, coulometric titration and infrared spectroscopy. This Standard applies to coke and semi-coke (blue charcoal).
