Abstract: The main problems in determination of gold by the back titration for the excessive FeSO4 with potassium bichromate were discussed and experimented.

　
英 美
  • 摘要：對重鉻酸鉀滴定過(guò)量硫酸亞鐵返滴定法測定金合金中金的主要問(wèn)題做了探討和實(shí)驗。
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