16. (10 pts) Each of the spectra below are from a different type of ionization technique. Label each spectrum with the type of ionization technique used. HINT: There are several characteristics of each mass spectrum that is indicative of the ionization source. List the characteristics that support your decisions. 100 141 156 -Casein A2, Lactogistuin Babu A Casein TTTTTT 24000 24060 mum 18 000 20 000 22 000 24 000 25 000 28 000 Relative abundance 8 100 Relative abundance 155 69 00 8+8 80 80 90 112 197 129 173 100 120 140 160 180 200 220 240 260 m/z MH* 227 83 97 111 139 80 100 120 140 157 185 213 Relative abundance- 207 171. 197 255 Tr 160 180 200 220 240 260 m/z a-Lactalbumin 11 000 12 000 13 000 14 000 765.3 10 816.3 720.4 Elite 874.4 680.4 1941.8 MH 1020.4 644.8 m/2- Abundance- M MH MH 11128 1223.7 1.359.1 -Casein A1