锡及其化合物在生产和生活中广泛应用。锡及其无机化合物大多属于低毒或微毒类,无机锡难于经消化道吸收,吸入的锡化合物主要滞留在肺。接触高浓度无机锡尘可引起眼、喉及呼吸道刺激症状,可引起肺部明显X线改变;接触锡烟可致金属烟雾热[1]。采用现行GBZ/T 160.22—2004《工作场所空气有毒 Tin and its compounds are widely used in production and life. Tin and its inorganic compounds are mostly low toxicity or micro toxins, inorganic tin is difficult to be absorbed through the digestive tract, inhaled tin compounds mainly remain in the lungs. Exposure to high concentrations of inorganic tin dust can cause eye, throat and respiratory irritation, can cause significant lung X-ray changes; exposure to tin smoke can cause metal smoke heat [1]. The current GBZ / T 160.22-2004 "workplace air toxic