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English versions: GB/T 13477
English versions: GB/T 22877-2023
English versions: GB/T 26871-2024
English versions: GB/T 41780
12-2023_Chinese: Methods for chemical analysis of limestone and dolornite - Part 12: Determination of potassium oxide and sodium oxide contents - Flame atomic absorption spectrometry method (Chinese: 石灰石及白云石化学分析方法 第12部分：氧化钾和氧化钠含量的测定 火焰原子吸收光谱法)
GB/T 3260.11-2023 Chinese PDF (GB/T3260.11-2023) GB/T 27930.2-2024 English versions: GB/T 13477GB T 3260. 11 2023_Chinese: Methods for chemical analysis of tin Part 11: Determination of copper, iron, bismuth, lead, antimony, arsenic, aluminum, zinc, cadmium, silver, nickel and cobalt contents Inductively coupled plasma atomic emission spectrometry (Chinese: 11 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 3260. 11 2023
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