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1-2024_Chinese: Chemical analysis methods of silicon-based composite rare earth ferroalloy and RE-Mg ferro-silicon alloy - Part 1: Determination of total rare earth and fifteen rare earth elements contents (Chinese: 稀土硅铁合金及镁硅铁合金化学分析方法 第1部分：稀土总量、十五个稀土元素含量的测定)
English versions: GB/T 13542
GB/T 45527-2025_Chinese: Technical specification at the project level for assessment of greenhouse gas emission reductions - Power energy substitution projects (Chinese: 基于项目的温室气体减排量评估技术规范 电能替代项目)
English versions: GB/T 45170-2024
GB/T 14420-2024 Chinese PDF (GB/T14420-2024) GB 19041-2024 1-2024_Chinese: Chemical analysis methods ofGB T 14420 2024_Chinese: Analysis of water used in boiler and cooling system Determination of chemical oxygen demand Rapid method with potassium dichromate (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 14420 2024
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