OSHA Method 42/47 and ASTM^® D5836: HPLC Analysis of Isocyanates on SUPELCOSIL^™ LC-8 after Collection/Desorption using ORBO^™-80

技术

HPLC: suitable

试验参数

sample/matrix: calibration standard: isocyanate derivatives, 5 μg/mL in acetonitrile blank: 1-(2-pyridyl)piperazine (1-2PP) coated glass fiber filter desorbed in acetonitrile/DMSO, 9:1
adsorbent tube: ORBO-80 (20811)
column: SUPELCOSIL LC-8, 25 cm × 4.6 mm I.D., 5 μm particles (58297)
mobile phase: 0.05 M ammonium acetate in water:acetonitrile, 70:30 (pH 6-6.2 with acetic acid)
flow rate: linear gradient, 0.7 mL/min to 2 mL/min in 15 min
detector: UV, 254 nm
injection: 10 μL

适用性

application for HPLC
application for air monitoring

应用

air monitoring
industrial hygiene