T/SDAQI 034-2021
Determination of chromium (VI) in fertilizers-Spectrophotometric (English Version)

Standard No.

T/SDAQI 034-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

Group Standards of the People's Republic of China

Latest

T/SDAQI 034-2021

Scope

In acidic solution, hexavalent chromium reacts with diphenylcarbazide to form a purple-red complex, which is measured spectrophotometrically at the maximum absorption wavelength of 540 nm.

T/SDAQI 034-2021 history

• 2021 T/SDAQI 034-2021 Determination of chromium (VI) in fertilizers-Spectrophotometric