GB/T 21126-2007 (English Version) PDF

Standard No.: GB/T 21126-2007
Language: Chinese, Available in English version
Release Date: 2007
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 21126-2007

Scope: This standard specifies the principle, reagents, instruments, sample pretreatment, HPLC determination, result calculation and precision for the determination of formaldehyde and sodium formaldehyde sulfoxylate in wheat flour and rice flour and their products by HPLC. This standard applies to the determination of residual formaldehyde and sodium formaldehyde sulfoxylate in wheat flour, rice flour and their products. The detection limit of this standard is 0.08/μg/g.

GB/T 21126-2007 Referenced Document

GB/T 2912.1-1998 Textiles--Determination of formaldehyde--Part 1: Free and hydrolized formaldehyde (Water extraction method)

2007 GB/T 21126-2007 Determination of sodium formaldehyde sulfoxylate in grain products