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Key Documents

796-0376

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

application for air monitoring, application for HPLC

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About This Item

technique(s)

HPLC: suitable

test parameters

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

suitability

application for HPLC
application for air monitoring

application(s)

air monitoring
industrial hygiene

Legal Information

ASTM is a registered trademark of American Society for Testing and Materials
ORBO is a trademark of Sigma-Aldrich Co. LLC
SUPELCOSIL is a trademark of Sigma-Aldrich Co. LLC

Analyte

Description
    1-(2-Pyridyl)piperazine
    Hexamethylene diisocyanate
    2,6-Tolylene diisocyanate
    2,4-Tolylene diisocyanate

analytical column

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