potassium hydrogen fluoride
常見例句
- 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掩蔽鐵、銅、鉛等干擾元素，加碘化鉀使之析出碘，以淀粉為指示劑，用硫代硫酸鈉進(jìn)行滴定。 返回 potassium hydrogen fluoride