ISO 5933:1980
工業(yè)用硼酸、氧化硼、四硼酸二鈉和粗硼酸鈉 在硼酸、氧化硼和四硼酸二鈉中鎳總含量的測定以及粗硼酸鈉中可溶于堿的鎳含量的測定 α-糠偶酰二肟光度法
Boric acid, boric oxide, disodium tetraborates and crude sodium borates for industrial use; determination of total nickel content of boric acid, boric oxide and disodium tetraborates and the alkali-soluble nickel content of crude sodium borates; furil alp