组合使用关键词、标准类型、状态与 ICS 分类，快速定位所需国家标准。
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GB/T 13748.9-2026
Methods for chemical analysis of magnesium and magnesium alloys—Part 9: Determination of iron and silicon content—Spectrophotometric method
GB/T 13748.18-2026
Methods for chemical analysis of magnesium and magnesium alloys—Part 18：Determination of chlorine content—Silver chloride turbidimetric method
GB/T 13748.15-2026
Methods for chemical analysis of magnesium and magnesium alloys—Part 15：Determination of zinc content
GB/T 13748.13-2026
Methods for chemical analysis of magnesium and magnesium alloys—Part 13：Determination of lead, calcium, kalium and sodium content—Flame atomic absorption spectrometric method
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 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 25748-2025
Die casting magnesium alloys
GB/T 26650-2025
Magnesium alloy castings for motorcycle and electric bicycle wheels
GB 26488-2025
Safety specification for magnesium alloy die casting
GB/T 13748.20-2024
GB/T 13748.20-2024
Methods for chemical analysis of magnesium and magnesium alloys—Part 20：Determination of elements content—Inductively coupled plasma atomic emission spectrometric method
GB/T 5156-2022
GB/T 5155-2022
GB/T 13748.21-2009