In an acid solution of 0. 45mol ? L~(-1) HNO_3 a sensitive polarographic wave of Br~- is observed at +0. 14V(vs. SCE) by the single sweep-oscillopolarography.

• 在0.；45mol·L~(-1)硝酸底液中；用单扫示波极谱仪；阳极化扫描；导数档；溴离子于+0