YS/T 416-2025 Active

YS/T 416-2025 Palladium alloy tube for hydrogen purification

Publish Date: 2025-04-10

YS/T 1781.4-2025 Active

YS/T 1781.4-2025 High-temperature Shape Memory Alloy Chemical Analysis Method - Part 4: Determination of Trace Impurity Elements by Inductively Coupled Plasma Mass Spectroscopy (ICP-MS)

Publish Date: 2025-04-10

YS/T 1781.3-2025 Active

YS/T 1781.3-2025 High-temperature Shape Memory Alloy Chemical Analysis Method - Part 3: Determination of Cobalt, Copper, Chromium, Iron, Niobium, and Nickel Content by Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES)

Publish Date: 2025-04-10

YS/T 1781.2-2025 Active

YS/T 1781.2-2025 High-temperature Shape Memory Alloy Chemical Analysis Method - Part 2: Determination of Nickel Content - Diacetylmonoxime Weighing Method

Publish Date: 2025-04-10

YS/T 1781.1-2025 Active

YS/T 1781.1-2025 High-temperature Shape Memory Alloy Chemical Analysis Method - Part 1: Determination of Pd Content by Diaminoheptane Reagent Weighing Method

Publish Date: 2025-04-10

YS/T 1057.6-2025 Active

YS/T 1057.6-2025 The Chemical Analysis of Cobalt Oxide (III) - Part 6: Determination of Copper and Zinc Impurity Content - Ammoniacal Leaching-Inductively Coupled Plasma Atomic Emission Spectroscopy (ICP-AES) method

Publish Date: 2025-04-10

YS/T 1774-2025 Active

YS/T 1774-2025 The inspection of the quality and isotropy of copper-steel composite metal using the punching cup test method

Publish Date: 2025-04-10

YS/T 1770-2025 Active

YS/T 1770-2025 The high- and low-magnification inspection methods for the microstructure of hafnium and hafnium alloys

Publish Date: 2025-04-10

YS/T 1769-2025 Active

YS/T 1769-2025 Zone-melting germanium ingot safety production specification

Publish Date: 2025-04-10

YS/T 1768-2025 Active

YS/T 1768-2025 Determination of Surface Impurity Content of Graphite Products Used for Silicon Polycrystalline Production by Inductively Coupled Plasma Spectroscopy

Publish Date: 2025-04-10

YS/T 1767-2025 Active

YS/T 1767-2025 Sodium thiosulfate solution

Publish Date: 2025-04-10

YS/T 1766-2025 Active

YS/T 1766-2025 Potassium tetrakis(hydrogen phosphate)platinum(IV) ammonium complex

Publish Date: 2025-04-10