ヨウ素とヨウ化カリウムまたはモリブデン化合物との混合物の蚕に対する毒性

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書誌事項

タイトル別名
  • よう素とよう化カリウムまたはモリブデン化合物との混合物のカイコに対する毒性
  • The toxicity of mixtures of iodine and potassium iodide or molybdenum compounds to silkworm larvae, <i>Bombyx mori</i>
  • ヨウソ ト ヨウカ カリウム マタハ モリブデン カゴウブツ ト ノ コンゴウ

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説明

Mulberry leaves in the field have been known to be polluted by several chemical substances including iodine and hence it is worthy of examining whether iodic toxicity is enhanced or inhibited under the presence of other chemical substances. Accordingly, potassium iodide (KI), molybdenum trioxide (MoO3) or potassium molybdate (K2MoO4) was combined with iodine and the toxicity of the mixtures was tested. The toxicity of KI was less than iodine by 50ppm and the two molybdenum compounds were little toxic even in high concentrations.<br>Among 50 to 200ppm final iodic concentrations prepared by adding KI to I, the toxicity of the mixture highly decreased only in 50ppm compared with that of 50ppm elemental iodine and the addition of KI did not affect the toxicity of elemental iodine at other concentrations. As regards molybdenum compounds, the addition of 1000ppm molybdenum of MoO3 and K2MoO4 had no effects on the toxicity of elemental iodine in different concentrations.

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