ANIONIC SURFACTANT QUANTITATION BY FTIR 213 I Figure 6. Solvent-subtracted spectrum of a finished product containing sodium lauryl sulfate. I t•l i i i •.0 •.0 3400.0 L•80f].O •f'tf•,O 1•.0 1•.0 1300.0 Figure 7. Solvent-subtracted ammonium lauryl suloeate raw material spectrum.
214 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS I 4•130.0 M]OO.O •i•O.O L•130.O 2Z:(•n,o leOO.O lroO0.O l•l:]O.O IOlX].O IISO. I:]O Figure 8. Solvent-subtracted spectrum of a finished product containing ammonium lauryl sulfate. 4•1:1.0 M300.O •1M33 O L/'8130.O 2Z:(•rl O 1• O 1• O 1•1:]0 O 101:]0 O • OCl 7•0 nn Figure 9. Solvent-subtracted sodium lauryl ether sulfate raw material spectrum.
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