跳转至内容
Merck
CN

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

材料

分析色谱柱

产品编号
说明
价格

SUPELCOSIL LC-8 HPLC 柱

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

相关产品

产品编号
说明
价格

ORBO 80 涂层过滤器

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

说明

法律信息

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