YS/T 1115.4-2025Methods for chemical analysis of copper, lead, zinc original and tailings ores - Part 4: Determination of sulphur content - High frequency infrared absorption method, combustion neutralization titration method and barium sulfate gravimetric method (English PDF)

YS/T 1115.4-2025 (Methods for chemical analysis of copper, lead, zinc original and tailings ores - Part 4: Determination of sulphur content - High frequency infrared absorption method, combustion neutralization titration method and barium sulfate gravimetric method) is available as an English-translated PDF.

YS/T 1115.4-2025 — This standard specifies the methods for determining the sulfur content in copper, lead, and zinc ores (including copper-molybdenum polymetallic ores) and tailings using high-frequency infrared absorption, combustion neutralization titration, and barium sulfate gravimetric method.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — all pages — is available in the English PDF.

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