GB 15605-2024 Chinese PDF GB/T 13671-2025 24-2025_Chinese: Methods for chemical analysis

24-2025_Chinese: Methods for chemical analysis of magnesium and magnesium alloys - Part 24: Determination of trace impurity elements contents - Glow discharge mass spectrometry (Chinese: 镁及镁合金化学分析方法 第24部分：痕量杂质元素的测定 辉光放电质谱法)

English versions: GB 45246-2025

bisphenol F and bisphenol S in foods (Chinese: 食品安全国家标准 食品中双酚A、双酚F和双酚S的测定)

GB/T 12279

English versions: GB/T 13523-2024

GB 15605-2024 Chinese PDF GB/T 13671-2025 24-2025_Chinese: Methods for chemical analysisGB 15605 2024_Chinese: Specifications for pressure venting of dust explosion (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 15605 2024