Rapid and Highly Sensitive Determination of Low-Molecular-Weight Carbonyl Compounds in Drinking Water and Natural Water by Preconcentration HPLC with 2,4-Dinitrophenylhydrazine
Use this link to cite this item : https://ir.lib.hiroshima-u.ac.jp/00047033
ID | 47033 |
file | |
creator |
Katoh, Shinya
Nakatani, Nobutake
|
NDC |
Chemistry
|
abstract | The aim of this research was to develop a simple procedure for a highly sensitive determination of low-molecular-weight (LMW) carbonyl compounds in drinking water and natural water. We employed a preconcentration HPLC system with 2,4-dinitrophenylhydrazine (DNPH) for the determination of LMW carbonyl compounds. A C-18 reverse-phase preconcentration column was used instead of a sample loop at the sample injection valve. A 0.1 - 5.0 mL portion of the derivatized sample solution was injected with a gas-tight syringe, and a 15% acetonitrile aqueous solution was pushed through the preconcentration column to remove the unreacted excess DNPH, which caused serious interference in the determination of formaldehyde. The detection limits were 1 - 3 nM with a relative standard deviation of 2 - 5% for 20 nM standard solutions (n = 5). The calibration curves were essentially unaffected by coexisting sea salts. Applications to commercial mineral water, tap water, river water, pond water and seawater are presented.
|
description | This work was partially supported by a Grant-in-Aid for Scientific Research No. 15510002 from the Ministry of Education, Culture, Sports, Science and Technology, Japan.
|
journal title |
Analytical Sciences
|
volume | Volume 22
|
issue | Issue 12
|
start page | 1509
|
end page | 1514
|
date of issued | 2006-12
|
publisher | The Japan Society for Analytical Chemistry
|
issn | 0910-6340
1348-2246
|
ncid | |
publisher doi | |
language |
eng
|
nii type |
Journal Article
|
HU type |
Journal Articles
|
DCMI type | text
|
format | application/pdf
|
text version | publisher
|
rights | 2006 © The Japan Society for Analytical Chemistry
|
relation url | |
department |
Graduate School of Biosphere Science
|
Last 12 months's access : ? times
Last 12 months's DL: ? times
This month's access: ? times
This month's DL: ? times