PPT Slide
 
 
Elements measured 
- Cd-109
	Cr, Mn, Fe, Co, Ni, Cu, Zn, As, Pb, Hg, Rb, Sr, Zr, Mo U, Th, Pt, Au
 - Am-214
	 Cd, Ag, Ba, Sn, Sb, Te, Cs, La Ba
 - Fe-55
	 V, Ti, Ca, K 
 - Use for low ppm to up to 2-3%.  Can be used for +3% but may lose accuracy.
 
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