BS 5688-3:1979
工業(yè)用硼酸,氧化硼,四硼酸二鈉,高硼酸鈉與粗硼酸鈉的試驗方法.四硼酸二鈉中氧化鈉與氧化硼含量及灼燒重量損失的測定
Methods of test for boric acid, boric oxide, diRsodium tetraborates, sodium perborates and crude sodium borates for industrial use - Determination of sodium oxide and boric oxide contents and loss on ignition of disodium tetraborates