potassium hydrogen fluoride
常见例句
- Conceal disturbing elements like iron, copper, lead with hydrogen fluoride amine-EDTA, add the potassium iodide to separate iodine, and take starch as indicator, titrate with sodium hyposulfite.
試樣以王水分解、泡塑富集分離金，硫脲解脫，以硝酸-硫酸破壞硫脲，用氟化氫胺-EDTA掩蔽鉄、銅、鉛等乾擾元素，加碘化鉀使之析出碘，以澱粉爲指示劑，用硫代硫酸鈉進行滴定。 返回 potassium hydrogen fluoride