提出用钒和铜混合基体改进剂衬钽管石墨炉原子吸收测定镓的方法。
A method for the determination of gallium by the tantalum foil-lined graphite furnace atomic absorption spectrometry with vanadium and copper as mixed matrix modifier has been investigated.
样品经湿法消解后，在基体改进剂作用下，采用涂钽石墨管、塞曼校正石墨炉原子吸收光谱法测定食品中铝含量。
Aluminum in the wet-digested food was determined by tantalum-coated graphite tube-graphite furnace atomic absorption spectrometry with matrix modifier.
公司产品包括钼、钽、铌、钨、锆及其合金的丝、管、带、箔等稀有金属深加工材料。
Our products include wires, tubes, ribbons and foils of rare metals such as Mo, ta, Nb, w, Zr and their alloys.
公司产品包括钼、钽、铌、钨、锆及其合金的丝、管、带、箔等稀有金属深加工材料。
Our products include wires, tubes, ribbons and foils of rare metals such as Mo, ta, Nb, w, Zr and their alloys.
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