本(ben)試劑盒適用于添加碘化物或含有還原性物質的加碘食用鹽中碘的測定。
檢驗原理：在酸性(xing)介質中，次氯(lv)酸鈉(na)將碘(dian)(dian)(dian)離(li)子氧化成碘(dian)(dian)(dian)酸根，草酸除去(qu)過剩的次氯(lv)酸鈉(na)，碘(dian)(dian)(dian)酸根氧化碘(dian)(dian)(dian)化鉀析出單質(zhi)碘(dian)(dian)(dian)，用(yong)硫(liu)代硫(liu)酸鈉(na)標準滴定(ding)溶(rong)液滴定(ding)，測定(ding)碘(dian)(dian)(dian)含(han)量。