Thalleoquin reaction

例句：

1. 1. The thalleoquin reaction is used to detect trace amounts of iron in water samples.
   铁氰化钾反应用于检测水样中微量铁。
2. 2.In the thalleoquin reaction, a solution of potassium ferrocyanide and sodium thiosulfate is added to a sample of water.
   在铁氰化钾反应中，向水样品中加入硫酸亚铁和硫代硫酸钠的溶液。
3. 3. The thalleoquin reaction is a sensitive method for determining trace metals in environmental samples.
   铁氰化钾反应是一种用于环境样本中痕量金属测定的敏感方法。