使用RSpak NN-814分析烫发液。
Sample :
1. Thioglycolic acid (TGA)
2. Dithioglycolic acid (DTGA)
3. CCysteine (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 ℃