The interference of reductant is eliminated by indirect iodimetry in the weak acidic medium and the content of potassium iodate is determined by direct iodimetry under acidic condition.

• 在弱酸性介质中,利用间接碘量法消除还原物的干扰,于酸性条件下采用直接碘量法测定碘酸钾含量。