EPA Method TO-11/IP-6A and ASTM® D5197: HPLC Analysis of Aldehydes and Ketones on SUPELCOSIL™ LC-18 after Collection/Desorption using LpDNPH
CONDITIONS
sample preparation
SPE (Solid Phase Extraction)
adsorbent tube
LpDNPH Cartridge (21024-U)
sample/matrix
5 μg each carbonyl-DNPH on LpDNPH cartridge. Cartridge eluted with 5.0 mL acetonitrile
column
SUPELCOSIL LC-18, 25 cm × 4.6 mm I.D., 5 μm particles (58298)
mobile phase
[A]:acetonitrile:tetrahydrofuran:water, 30:10:60; [B]: acetonitrile:water, 60:40
gradient
gradient 0% B for 1 min, linear gradient to 100% B over 10 min
flow rate
1.5 mL/min
detector
VIS, 360 nm
injection
25 μL of extract
설명
법적 정보
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