Improved method for determination of traces of isocyanates in working atmospheres
Summary
Type: HPLC Application #: 101470
Catalog#: 720014.46 - MN HPLC Column, Nucleosil C18, 100A, 5um, 4.6x250mm
Detection: UV 254nm Conditions: eluent: acetonitrile - water (75:25, v/v), the aqueous phase containing 1% triethylamine and adjusted to pH 3.0 with phosphoric acid, flow rate 2ml/min, sample volume 100μl. Authors: Sangö C Source: J Liquid Chromatogr 2 (1979) 763 - 774
Details
Legend: Chromatogram of nitro reagent and urea derivatives.
A) determination of 2,6-TDI, 2,4-TDI and MDI;
isocyanate concentrations: 0.35µg/ml 2,6-TDI, 0.65µg/ml 2,4-TDI and 1.0µg/ml
MDI.
B) determina