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GB/T 15076.15-2026
Methods for chemical analysis of tantalum and niobium—Part 15: Determination of hydrogen content—Pulse-infrared absorption method
GB/T 15076.14-2026
Methods for chemical analysis of tantalum and niobium—Part 14: Determination of oxygen and nitrogen contents—Pulse-infrared absorption and thermal conductivity method
GB/T 6150.16-2026
Methods for chemical analysis of tungsten concentrates—Part 16: Determination of iron, manganese, silicon, calcium and tungsten contents—X-ray fluorescence spectrometry
GB/T 6150.11-2026
Methods for chemical analysis of tungsten concentrates—Part 11：Determination of impurity element contents—Inductively coupled plasma atomic emission spectrometry
GB/T 13748.22-2026
Methods for chemical analysis of magnesium and magnesium alloys—Part 22：Determination of thorium content
GB/T 13748.8-2026
Methods for chemical analysis of magnesium and magnesium alloys—Part 8：Determination of rare earth content
GB/T 13748.4-2026
Methods for chemical analysis of magnesium and magnesium alloys—Part 4：Determination of manganese and zirconium content—Spectrophotometric method
GB/T 13748.3-2026
Methods for chemical analysis of magnesium and magnesium alloys—Part 3：Determination of lithium,silver content—Flame atomic absorption spectrometry method
GB/T 13748.2-2026
Methods for chemical analysis of magnesium and magnesium alloys—Part 2：Determination of tin,beryllium,copper,nickel and titanium content—Spectrophotometric method
GB/T 13748.1-2026
Methods for chemical analysis of magnesium and magnesium alloys—Part 1:Determination of aluminium content
GB/T 5153-2026
Designation and chemical composition of wrought magnesium and magnesium alloy
GB/T 6609.11-2026
Chemical analysis methods and determination of physical performance of alumina—Part 11: Determination of manganese oxide and magnesium oxide contents—Flame atomic absorption spectrometric method
GB/T 6609.7-2026
Chemical analysis methods and determination of physical performance of alumina—Part 7:Determination of titanium dioxide, chromium sesquioxide, cupric oxide,fluorine, chlorine, boron trioxide, phosphorus pentoxide, sulfate contents—Spectrophotometry method
GB/T 7999-2026
Photoelectric direct reading atomic emission spectrometric method of aluminium and aluminium alloys
GB/T 3199-2026
Packing, marking, transporting and storing of wrought aluminium and aluminium alloy products
GB/T 13748.21-2026
Methods for chemical analysis of magnesium and magnesium alloys—Part 21: Determination of elements content—Photoelectric direct reading atomic emission spectrometric method
GB/T 33817-2026
Method for determination of the carbon film and carbon content on the inner surface of copper and copper-alloy tube
GB/T 12690.13-2026
Chemical analysis methods of non-rare earth impurities in rare earth metals and their oxides—Part 13: Determination of molybdenum and tungsten content
GB/T 47009-2026
Test method for durability of rare earth permanent magnetic materials under high temperature and reversed magnetic field
GB/T 47011-2026
Technical specification for blockchain-based data sharing of rare earth permanent magnet materials