10楼: Originally posted by afei5231 at 2012-12-04 12:29:16
哦，那我试试看。你测试的时候是全部是样品还是加了BaSO4的，配比是多少啊...

11楼: Originally posted by zhulw at 2012-12-04 16:58:55
纯样品，不加硫酸钡...

7楼: Originally posted by pzypdl at 2012-12-04 10:31:10
我做过收收光谱的，不叫所谓的压片，只是稍微用力压一压就可以了啊。不用压片机

13楼: Originally posted by afei5231 at 2012-12-11 15:54:48
版主UV-vis测粉末R%值，仪器可以自动转换成吸收abs吗？还是要自己建模去转换...

14楼: Originally posted by pzypdl at 2012-12-11 18:36:20
直接是R的话就直接用R值换成禁带宽度就行了,吸收和反射的都一样,只是表现方法不一样,没有必要反射的换成吸收的,两个一般都要拟合成禁带宽度的...

15楼: Originally posted by afei5231 at 2012-12-13 18:39:48
是用1240/R来变换吗...

16楼: Originally posted by pzypdl at 2012-12-13 19:10:39
我用图片吧


...

17楼: Originally posted by afei5231 at 2012-12-13 20:41:53
图片看不了，估计是网速不给力。版主你发的图片是不是类似于这样的http://muchong.com/bbs/viewthread.php?tid=5095549&fpage=1
用这种方法Rhv= A(hv - Eg)n/2处理...

18楼: Originally posted by pzypdl at 2012-12-13 21:06:12
差不多,但他的 吸收的,你是反射的,不太一样的...

19楼: Originally posted by afei5231 at 2012-12-13 21:28:10
哦，吸收和反射可以转换吧。但他们所说的这种转换方法真心不知道怎么处理...