BS 5688-17-1979
工业用原硼酸(硼酸),三氧化二硼(氧化硼),四硼酸二钠,高硼酸钠与粗硼酸钠的试验方法.硼酸,氧化硼,四硼酸二钠和粗硼酸钠中铁含量的测定
Methods of test for orthoboric acid (boric acid), diboron trioxide (boric oxide), disodium tetraborates, sodium perborates and crude sodium borates for industrial use - Determination of iron content of boric acid, boric oxide, disodium tetraborates, sodiu