原文由 wxwdoctor 发表:
下面是我自己列的针对第二个问题的一个初步处理过程,大家看看,是否有问题?
1.Porphyrize the Pd/AC.
2.Dry at 105 oC for one hour.
3.Weigh 0.1-0.5 g (accurate to 0.0001 g) to 100 ml conical flask.
4.Add 20 ml concentrated nitric acid , heat to near no solution. Add 5% HNO3(加多少?).
5.Transfer to 50 ml volumetric flask for constant volume.
6.After standing, get the upper transparent solution for ICP analysis.
原文由 windeast 发表:原文由 wxwdoctor 发表:
下面是我自己列的针对第二个问题的一个初步处理过程,大家看看,是否有问题?
1.Porphyrize the Pd/AC.
2.Dry at 105 oC for one hour.
3.Weigh 0.1-0.5 g (accurate to 0.0001 g) to 100 ml conical flask.
4.Add 20 ml concentrated nitric acid , heat to near no solution. Add 5% HNO3(加多少?).
5.Transfer to 50 ml volumetric flask for constant volume.
6.After standing, get the upper transparent solution for ICP analysis.
建议是
4.Add 20 ml concentrated nitric acid , heat to near no solution. Use
5% HNO3 10mL to elute the flask with 3 times.