PROBLEM TO BE SOLVED: To provide trace element preparations that are excellent in pH stability at the time of long-term storage without changing pH even when stored at room temperature for a long period of time, are excellent in long-term storage stability without producing an insoluble substance (sedimentation) even when stored at room temperature for a long period of time, and also have a significant resistance to pH change without producing an insoluble substance (sedimentation) even when a pH is changed, the trace element preparations containing no iron and containing one or more elements selected from manganese, zinc, copper, and iodine, in an aqueous solution.SOLUTION: A trace element preparation consists of aqueous liquid containing no iron and containing one or more elements selected from manganese, zinc, copper, and iodine, and further contains sodium chondroitin sulfate and calcium gluconate.SELECTED DRAWING: NoneCOPYRIGHT: (C)2017,JPO&INPIT【課題】 室温下で長期間保存してもpHの変化がなくて長期保存時のpH安定性に優れ、室温下で長期間保存しても不溶物(沈澱)が生じず長期保存安定性に優れ、しかもpHが変わっても不溶物(沈澱)が生じずpH変化に強い、鉄を含有せず、マンガン、亜鉛、銅およびヨウ素から選ばれる元素の1種または2種以上を水性液体中に含有する微量元素製剤の提供。【解決手段】 鉄を含有せず、マンガン、亜鉛、銅およびヨウ素から選ばれる元素の1種または2種以上を含有し、更にコンドロイチン硫酸ナトリウムおよびグルコン酸カルシウムを含有する水性液体からなる微量元素製剤。【選択図】 なし