The analysis by wavelengthdispersive X-ray spectrometry (XRS) is used for the determination of barium, calcium, zinc and/or copper, determined as mass fractions in %, in lubricants.
DIN 51391-2:1994 history
1994DIN 51391-2:1994-03 Testing of lubricants; determination of the content of additive elements; analysis by wavelengthdispersive X-ray spectrometry (XRS)
1994DIN 51391-2:1994 Testing of lubricants; determination of the content of additive elements; analysis by wavelengthdispersive X-ray spectrometry (XRS)