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SRPS ISO 9648:2013

Sorghum — Determination of tannin content

May 31, 2013

General information

90.93     Apr 4, 2021

ISS

E034-4

International Standard

67.060  

English  

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Scope

The method consists in extraction by shaking with dimethylformamide, then after centrifuging, addition of ferric ammonium citrate and ammonia to an aliqiot part of the supernatant liquid and spectrometric determination, at 525 nm, of the absorbance of the solution thus obtained, and determing of the tannic content using a calibration curve prepared using tannic acid.

Life cycle

NOW

PUBLISHED
SRPS ISO 9648:2013
90.93 Standard confirmed
Apr 4, 2021

Related project

Adopted from ISO 9648:1988

National regulations and standards

„Сл. гласник РС“, бр. 68/16
Pravilnik o kvalitetu žita, mlinskih i pekarskih proizvoda i testenina