transmission mode Vs reflection mode

2014-07-29 Thread Nelson
Dear rietvelds There are diferences between analyse a farmaceutical compound (powder) in transmission mode or reflection mode (bragg brentano),mainly in fase analyse (vestigial phases for exemple) ? The transmission mode give us more information ? Thanks in advance Best regards

Primary Ge monochromator oxidation

2014-07-29 Thread Natale Perchiazzi
Dear All, After observing a loss of intensity in the data collections, I demounted the primary Huber Ge monochromator crystal of my Bruker D8 advance diffractometer, and checking it under a binocular microscope I observed it is oxidized. Somebody who experienced such a mess, eventually have any