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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 application for air monitoring, application for HPLC

Materials

analytical column

Product No.
Description
Pricing

58297

SUPELCOSIL™ LC-8 HPLC Column

5 μm particle size, L × I.D. 25 cm × 4.6 mm

related product

Product No.
Description
Pricing

20811

ORBO™ 80 Isocyanate Filter

with cassettes: no, filter O.D. 37 mm, pkg of 25 ea

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 × 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

Description

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

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Related Applications

Small Molecule HPLCLarge Molecule HPLCGas Chromatography (GC)TLCSolid Phase Microextraction (SPME)Solid Phase Extraction (SPE)QuEChERS