Organic acids in permanent wave solution were analyzed using RSpak NN-814.
Sample :
1. Thioglycolic acid
2. Dithioglycolic acid
3. Cysteine
4. Thioglycolic acid and cysteine mixture disulfide
Column : Shodex RSpak NN-814 (8.0 mm I.D. x 250 mm) Eluent : 0.06 % H3PO4 + 0.138 % NaH2PO4 aq. Flow rate : 1.0 mL/min Detector : RI Column temp. : 45 °C
Sample Name Index
Operation Manual / Certificate of Analysis
Operation Manuals and Certificate of Analysis / Inspection Certificate for the following products can be downloaded here.