YS/T 1664-2023 Active

YS/T 1664-2023 Silver oxide

This document is applicable to silver oxide used in power batteries, electronic pastes, the chemical industry, and chemical reagents.

Publish Date: 2023-12-20

YS/T 1663-2023 Active

YS/T 1663-2023 Silver sulfate

This document is applicable to silver sulfate used in industry and as a chemical reagent.

Publish Date: 2023-12-20

YS/T 643-2023 Active

YS/T 643-2023 Iridium(III) chloride hydrate

This document is applicable to solid hydrated iridium trichloride used in chemical catalysis, organic light-emitting diodes (OLEDs), and other electronic products.

Publish Date: 2023-12-20

YS/T 1662-2023 Active

YS/T 1662-2023 Packaging specifications for precious metal waste catalysts

This document is applicable to the packaging of carbon-based carrier waste catalysts, alumina-based carrier waste catalysts, alumina-silica-based carrier waste catalysts, automotive exhaust purification waste catalysts, and homogeneous waste catalysts in precious metal waste catalysts.

Publish Date: 2023-12-20

YS/T 1661-2023 Active

YS/T 1661-2023 Platinum/alumina

This document is applicable to platinum/aluminum oxide catalysts used in the dehydrogenation and hydrogenation processes of alkanes and aromatics, the thiophene removal process from benzene (in the caprolactam and adipic acid synthesis industries), and the petroleum catalytic reforming process.

Publish Date: 2023-12-20

YS/T 203-2023 Active

YS/T 203-2023 Precious metal and its alloy wires, cables, bars

This document is applicable to precious metals and their alloy wires, threads, and rods used in the manufacture of precision potentiometers, sensors, resistors, brushes, contacts, and other components.

Publish Date: 2023-12-20

YS/T 202-2023 Active

YS/T 202-2023 Precious metal and its alloy foil material

This document is applicable to precious metals and their alloy foils used in aviation, electrical instruments, and fuel cells.

Publish Date: 2023-12-20

YS/T 318-2023 Active

YS/T 318-2023 Copper concentrate

This document applies to copper concentrate products used for copper smelting, whose copper content (mass fraction) is not less than 13% and is obtained by the flotation method from copper-bearing ores.

Publish Date: 2023-12-20

YS/T 1091-2023 Active

YS/T 1091-2023 Lead paste

This document is applicable to the sludge-like product obtained after crushing, sorting, and dewatering of waste lead-acid batteries, which is used for lead smelting production.

Publish Date: 2023-12-20

YS/T 319-2023 Active

YS/T 319-2023 lead concentrate

This document is applicable to lead concentrates obtained by flotation of sulfide ores, which are used for lead smelting.

Publish Date: 2023-12-20

YS/T 1660-2023 Active

YS/T 1660-2023 High-temperature resistant soft copper alloy wire material

This document is applicable to high-temperature-resistant softening copper alloy wires.

Publish Date: 2023-12-20

YS/T 1659-2023 Active

YS/T 1659-2023 Shipboard Corrosion Resistant Brass Forged Bar and Lump Materials

This document is applicable to forged brass rods and billets for ships, as well as forged brass rods and billets for precision machinery and chemical machinery components with high corrosion resistance requirements.

Publish Date: 2023-12-20