Standards

YS/T 3050-2026 Pending

YS/T 3050-2026 The technical specifications for comprehensive recovery and recycling of industrial wastewater from gold mining industry

This document describes the types and sources of wastewater from the gold industry, and stipulates the general requirements for the comprehensive recovery and recycling of gold industrial wastewater (hereinafter referred to as "wastewater"), the types and technical requirements of purification processes, the quality standards for recycled wastewater, the requirements for product utilization and disposal, and safety and environmental protection requirements. It also describes the corresponding verification methods. This document applies to the comprehensive recovery and recycling of wastewater generated during the selection and metallurgical processing of gold mineral resources. This document does not apply to mining wastewater and domestic sewage.

Publish Date: 2026-04-28

YS/T 3051-2026 Pending

\nYS/T 3051-2026 Intelligent Manufacturing Digital Simulation in the Gold Industry General Technical Requirements

This document describes the overall framework of digital simulation in the gold industry and specifies the technical requirements for digital simulation, including infrastructure, data integration, simulation computing, and simulation applications. This document is applicable to digital simulation for the design, implementation, and training of gold mining and smelting-related equipment and processes.

Publish Date: 2026-04-28

YS/T 3052-2026 Pending

YS/T 3052-2026 Intelligent Manufacturing - Fire Assay Intelligent Detection System - General Technical Requirements

This document describes the system architecture of the intelligent fire assay detection system, and stipulates the general requirements, functional requirements, and performance requirements. This document is applicable to the design, manufacture, use, and maintenance of the intelligent fire assay detection system.

Publish Date: 2026-04-28

YS/T 3053.1-2026 Pending

YS/T 3053.1-2026 Methods for the Analysis of Mineral Parameters in Gold Ores Part 1: Component Analysis

This document specifies the method for analyzing the mineral parameters of gold ores. This document is applicable to the analysis of the mineral composition content of gold ores.

Publish Date: 2026-04-28

YS/T 3049-2025 Active

YS/T 3049-2025 Short Term Mining Technical Specification for Open-pit Gold Mine

This document stipulates the basic principles and technical requirements for short-term open-pit gold mining, and describes management methods such as monitoring, early warning, inspection, and record-keeping. This document is applicable to open-pit gold mines with thick ore bodies, long service lives, and road development and transportation systems.

Publish Date: 2025-12-29

YS/T 1826-2025 Active

YS/T 1826-2025 Highly pure copper evaporation material

This document specifies the classification and marking, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and accompanying documents and order forms for high-purity copper evaporation materials. This document is applicable to high-purity copper evaporation materials used in the semiconductor industry, and high-purity copper evaporation materials for other purposes can also be used as a reference.

Publish Date: 2025-12-17

YS/T 1827-2025 Active

YS/T 1827-2025 Nickel intermediate mix。

This document specifies the product classification, technical requirements, test methods, inspection rules, and marking, packaging, transportation, storage, and accompanying documents and order forms for nickel intermediate alloys. This document is applicable to nickel intermediate alloys used in high-temperature alloys and special stainless steels.

Publish Date: 2025-12-17

YS/T 1831-2025 Active

YS/T 1831-2025 Determination of the contents of copper, cuprous oxide, and cupric oxide in composite copper oxide powder by potassium permanganate titration and subtraction method

This document describes the determination of the copper and cuprous oxide content in compound copper oxide powder by potassium permanganate titration, and the method of calculating the copper oxide content by subtraction. This document is suitable for the determination of the three components (namely, copper-cuprous oxide-copper oxide, also known as Cu-Cu2O-CuO) in compound copper oxide powder (i.e., compound copper-based materials, organic silicon methyl, and phenyl monomer synthesis copper-based catalytic materials).

Publish Date: 2025-12-17

YS/T 1832-2025 Active

YS/T 1832-2025 mining agent, benzoic acid hydrazine acid

This document specifies the classification and grades, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and accompanying documents and order forms for the flotation reagent benzohydroxamic acid. This document is applicable to the flotation reagent benzohydroxamic acid synthesized from hydroxamate hydrochloride or hydroxamate sulfate and methyl benzoate, which is mainly used as a collectant for oxide minerals such as white wolframite, stibnite, rutile, rare earth minerals, and ilmenite.

Publish Date: 2025-12-17

YS/T 1833-2025 Active

YS/T 1833-2025 Pretreatment agent, methionine acetate isooctyl ester

This document specifies the classification and grades, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, and accompanying documents and order forms for the flotation reagent isooctyl methionate. This document applies to isooctyl methionate synthesized from methionic acid and isooctanol as raw materials. This product is mainly used as a collector for flotation of ores such as colored sulfide copper ores and zinc sulfide ores.

Publish Date: 2025-12-17

YS/T 706-2025 Active

YS/T 706-2025 Copper-based Coated Composite Powder

This document specifies the product classification and grade designation, technical requirements, test methods, inspection rules, packaging, marking, transportation, storage, and accompanying documents and order forms for copper-based coated composite powders. This document is applicable to composite powders that are coated with copper and copper alloy materials on iron powder particles using chemical immersion plating and sintering diffusion methods, and are mainly used in the manufacturing of diamond tools, oil-lubricated bearings, powder metallurgy structural parts, brake pads, and graphite products.

Publish Date: 2025-12-17

YS/T 990.9-2025 Active

YS/T 990.9-2025 Ice copper chemical analysis method Part 9: Determination of total iron and iron trioxide content

This document describes the method for determining the total iron and Fe3O4 content in frost-copper. This document is applicable to the determination of the total iron and Fe3O4 content in frost-copper. This document is not applicable to the determination of Fe3O4 in frost-copper samples containing more than 0.10% of magnetic substances such as elemental iron, elemental cobalt, and elemental nickel.

Publish Date: 2025-12-17