n.重鉻酸鹽
The main problems in determination of gold by the back titration for the excessive FeSO4 with potassium bichromate were discussed and experimented. 對(duì)重鉻酸鉀滴定過(guò)量硫酸亞鐵返滴定法測(cè)定金合金中金的主要問(wèn)題做了探討和實(shí)驗(yàn)。
重鉻酸鹽
