Standards

YS/T 1642-2023 Active

YS/T 1642-2023 The evaluation method for bauxite leaching performance using the Bayer process

This document is applicable to the evaluation of the dissolution performance of bauxite in the Bayer process. The evaluation of the dissolution performance of other aluminum-containing resources in the Bayer process can be used as a reference.

Publish Date: 2023-12-20

YS/T 575.29-2023 Active

YS/T 575.29-2023 Method for chemical analysis of bauxite - Part 29: Determination of effective Al2O3 and reactive SiO2

This document is applicable to the determination of effective alumina and reactive silica in SanShui bauxite ore. The determination range of effective alumina is 30.00% to 60.00%; the determination range of reactive silica is 0.10% to 10.00%.

Publish Date: 2023-12-20

YS/T 575.27-2023 Active

YS/T 575.27-2023 Method for chemical analysis of bauxite - Part 27: Determination of element content - Inductively coupled plasma atomic emission spectroscopy

This document is applicable to the determination of the element content in bauxite ore.

Publish Date: 2023-12-20

YS/T 872-2023 Active

YS/T 872-2023 "Methods for Chemical Analysis of Gallium - Determination of Mercury and Arsenic Content - Atomic Fluorescence Spectrometry"

This document is applicable to the determination of mercury and arsenic content in gallium (99.9%≤wGa≤99.99999%). The measurement range for mercury content is 0.0040 μg/g to 15.00 μg/g, and the measurement range for arsenic content is 0.0050 μg/g to 15.00 μg/g.

Publish Date: 2023-12-20

YS/T 871-2023 Active

YS/T 871-2023 Method for Chemical Analysis of Pure Aluminum: Determination of Trace Impurity Element Content - glow discharge mass spectrometry

This document is applicable to the determination of trace impurity elements in pure aluminum. The measurement range for sulfur and chlorine is 0.05 mg/kg to 10.0 mg/kg, and the measurement range for other elements is 0.005 mg/kg to 10.0 mg/kg.

Publish Date: 2023-12-20

YS/T 803-2023 Active

YS/T 803-2023 metallurgical grade alumina

This document is applicable to the metallurgical-grade alumina used in the production of metallic aluminum by the molten salt electrolysis method.

Publish Date: 2023-12-20

YS/T 456-2023 Active

YS/T 456-2023 The dry impermeable material used in aluminum electrolysis furnaces

This document is applicable to the dry anti-seepage materials used in aluminum electrolytic cells, which are mainly composed of alumina and silica oxide.

Publish Date: 2023-12-20

YS/T 89-2023 Active

YS/T 89-2023 Calcined α-alumina

This document is applicable to products made from aluminum hydroxide or aluminum oxide as raw materials, which are calcined at appropriate temperatures to form a crystalline stable α-aluminum oxide. These products are used in the production of refractory materials, alumina ceramics, daily-use ceramic raw materials, polishing abrasives, glass, and other products.

Publish Date: 2023-12-20

YS/T 1641-2023 Active

YS/T 1641-2023 Molybdenum powder for pelletization

This document is applicable to the granulated molybdenum powder produced by the spray drying method.

Publish Date: 2023-12-20

YS/T 1640-2023 Active

YS/T 1640-2023 Titanium sheets and strips for new energy power battery

This document applies to titanium plates and strips used in new energy power batteries for electric vehicles, electric bicycles, power storage, communication storage, and other fields.

Publish Date: 2023-12-20

YS/T 1639-2023 Active

YS/T 1639-2023 Titanium-based Titanium-manganese Alloy Composite Electrode

This document is applicable to titanium-based titanium-manganese alloy composite electrodes used in the electrolytic production of manganese dioxide or other electrolytic processes.

Publish Date: 2023-12-20

YS/T 1638-2023 Active

YS/T 1638-2023 superconducting niobium plate

This document is applicable to the manufacture of superconducting niobium plates for radio frequency superconducting accelerators.

Publish Date: 2023-12-20