Apparatus needed for qualitative and quantitative X-ray diffraction analysis of crystalline components of soils and many other materials include an ... choice of X-ray generator is the proximity to the factory and service personnel which may be called on in case of operational breakdown. ... The North American Phillips unit employs a vertically positioned tube with four thin mica windows. ... In the older generator models, this was accomplished by manual stepwise increase in voltage.
|Title||:||Soil Chemical Analysis|
|Author||:||Marion LeRoy Jackson, Phillip Barak|
|Publisher||:||UW-Madison Libraries Parallel Press - 2005-01-01|