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

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

Conditions

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 x 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
injection 10 µl
detector UV, 254 nm

Description

Categories Analytical Chromatography, Air Monitoring Applications, Isocyanates
Featured Industry Industrial Hygiene
General description This is an application, not a product for sale.
See "Related Products" to find associated products for sale.
Or, for more information, email: Supelco Technical Service
Legal Information ASTM is a registered trademark of American Society for Testing and Materials, SUPELCOSIL is a trademark of Sigma-Aldrich Co. LLC, ORBO is a trademark of Sigma-Aldrich Co. LLC
suitability application for air monitoring, application for HPLC

Materials

     
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