GA 721.2-2007
Reagents of development latent fingerprints.Part 2: 3,3',5,5'-tetramethylbenzidine (English Version)

Standard No.

GA 721.2-2007

Language

Chinese, Available in English version

Release Date

2007

Published By

Professional Standard - Public Safety Standards

Status

Be replaced 2022-05

Replace By

GA/T 721.2-2021

Latest

GA/T 721.2-2021

Scope

This part of GA 721 specifies the purity of 3,3',5,5'-tetramethylbenzidine, the method for determining its purity, and the packaging, Marking, transportation and storage. This section applies to the production and detection of the potential printing reagent 3,3',5,5'-tetramethylbenzidine.

GA 721.2-2007 history

• 2021 GA/T 721.2-2021 General Technical Requirements for Reagents to Reveal Potential Handprints Part 2: 3,3',5,5'-Tetramethylbenzidine (TMB)
• 2007 GA 721.2-2007 Reagents of development latent fingerprints.Part 2: 3,3',5,5'-tetramethylbenzidine

GA 721.2-2007 Reagents of development latent fingerprints.Part 2: 3,3',5,5'-tetramethylbenzidine was changed to GA/T 721.2-2021 General Technical Requirements for Reagents to Reveal Potential Handprints Part 2: 3,3',5,5'-Tetramethylbenzidine (TMB).