Pay in 4 interest-free payments of $32.50 Learn more
Ships within 48 hours · Estimated delivery Nov 5 - Nov 10
20-2024_Chinese: Chemical analysis methods for non-rare earth impurities of rare earth metals and their oxides - Part 20: Determination of minor amounts of fluorine and chlorine in rare earth oxides - Ion chromatography method (Chinese: 稀土金属及其氧化物中非稀土杂质化学分析方法 第20部分：稀土氧化物中微量氟、氯的测定 离子色谱法)
GB/T 12279
English versions: GB/T 14478-2025
English versions: GB 15093-2025
GB 31604.62-2025 English PDF GB 45673-2025 20-2024_Chinese: Chemical analysis methods forGB 31604. 62 2025_Chinese: National food safety standard Food contact materials and products Determination of migration and release of N nitrosamines (Chinese: N ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 31604. 62 2025
US$ 23.71
US$ 50.58
US$ 12.09
US$ 25.05
US$ 14.14
US$ 34.58
US$ 15.35
US$ 115.81
US$ 17.78
US$ 20.70
