The plasma generated in an ICP can be viewed by the spectrometer, side-on or end-on. These viewing positions are called radial and axial viewing, respectively. Each has advantages and disadvantages, so each tends to be used for different applications: radial viewing for normal analysis and complex materials, axial viewing for low detection limits in simpler materials.
Advantages of Radial View Should collect signal from the entire normal analytical zone (NAZ) no torch adjustment for different elements fewer matrix effects and interferences, especially in organics less stray light better detection limits in difficult matrices, especially in alkalis and organics can run any matrix less maintenance of the torch torches last longer especially with dissolved salts lower consumption of argon
Advantages of Axial View More intensity better detection limits in simple matrices