Table of Contents

Introduction
1 Scope
2 Normative references
3 Principle
4 Reagents
4.1 Reagents
4.2 Formaldehyde hydrazone (DNPH-formaldehyde
derivative) preparation
4.3 DNPH-formaldehyde calibration standards preparation
4.4 DNPH coating solution preparation
4.5 Coated filter or coated silica gel (granular)
preparation
5 Apparatus
5.1 Passive sampler
5.2 High performance liquid chromatograph
6 Sampling
7 Procedure
7.1 Desorption and sample preparation
7.2 Calibration
7.3 Determination of sample concentration
7.4 Determination of desorption efficiency
7.5 Storage
8 Calculations
8.1 Amount of DNPH-formaldehyde on the coated filter or
the coated silica gel (granular)
8.2 Concentration of formaldehyde in air
9 Report
10 Precision and uncertainty of the method
11 Quality control
Annex 1 (informative) Example of passive sampler
Annex 2 (informative) Apparatus, preparation of
calibration gas, test conditions, testing
methods related to performance test of
passive sampler
Bibliography
Annex 3 (informative) Comparison table between JIS and
corresponding International Standard

Abstract

Describes a passive sampler solvent desorption/high performance liquid chromatography (HPLC) method for the determination of formaldehyde in indoor air.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Japanese Standards Association
Pages
ISBN
Supersedes	JIS A 1963:2005