Permanent wave solution was analyzed using RSpak NN-814.


Sample :
1. Thioglycolic acid (TGA)
2. Dithioglycolic acid (DTGA)
3. Cysteine (Cys)
4. Disufide of TGA and Cys (TGA-Cys)
5. Ammonia (NH₃)
6. Monoethanolamine (MEA)
7. Cystine (CT)

Column       : Shodex RSpak NN-814 (8.0 mm I.D. x 250 mm)
Eluent       : 9.6 mM NaH2PO4 (pH2.68 adjusted by H3PO4)
Flow rate    : 1.0 mL/min
Detector     : UV (210 nm), RI
Column temp. : 45 °C