110380 Identification of 4-chloro- and 5-chloro-o-toluidine in textiles

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Identification of 4-chloro- and 5-chloro-o-toluidine in textiles

Summary

Type: HPLC
Application #: 110380
Detection: UV, 269 nm
Conditions: Eluents: A) acetonitrile, B) 5 mmol (NH4)H2PO4 and 5 mmol Na2H PO4
Gradient: 0 min. 4 min. isocratic A/B 5:95, 30 min. isocratic A/B 27:73, 40 min. A/B 32:68, 60 min. A/B 85:15, 75 min. isocratic A/B 85:15
Flow rate: 0.25 mL/min
Injection volume: 1 ul (in acetic acid ethyl ester) or 5-10 ul (in acetonitrile)
Temperature: 38 °C
Authors: Friedrichs K
Source: GIT 41 (1997) 488-494