274 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS a, 100.0 - 50.0 M/Z 43 Shampoo Extract (Scan 1888) 57 77 15 5•1![6'5 I 9•11031' 1143 ,21.,8,2,1277,,,,0..,..,. , :l!! Ii,.,!l•.l,l!,- ' _!l,•,ll!',: .,I.•.,1.,•, O. ,,.:..•:9. i. .. 50 1 O0 150 200 250 282 - 3OO Musk Xylol Standard b. 100.0 - 50.0 43 57 282 160 1 218 265 297 II, I .... I,,, d.., h_.. I,..11,. ,,I ......... , ....... • I ,, .... i . •. , ,, , l. , .,--• i, i ,l• i-• i, i, , ,i, i, , ,i, i, i ,•, • •1 • • •1 • I M/Z 50 1 O0 150 200 250 300 Figure 5. (a) Electron impact mass spectrum of scan 1888 for the shampoo extract shown in Figure 4. (b) Electron impact mass spectrum of a musk xylol standard solution.

a , Shampoo Extract (Scan 1928) 100.0- 263 50.0 43 115 77 91 171 278 ..,,..., .,I,.,,,..,I.I.,, .... ,,.., I. i I * I ß I - I ' i ß i * i ß i ,-i i M/Z 50 1 O0 150 200 250 b, 100.0- 50.0- Moskene Standard 43 263 , i , i , i ,I , I , I, I ' I ' ! ' I ' I ' I '1 ' I ' I ' I ' I ' I-' I ' I ' I ' I ' • ' I ' I , I M/Z 50 1 O0 150 200 250 Figure 6. (a) Electron impact mass spectrum of scan 1928 for the shampoo extract shown in Figure 4. (b) Electron impact mass spectrum of a moskene standard solution.