SSH ISO 9648:1988

Sorghum — Determination of tannin content

Publication date: Apr 26, 2019

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Current stage: 60.60 Effective date: Jan 28, 2019

Originator: DPS

Owner: DPS/KT 275

Type: International Standard

ICS: 67.060

Languages: English

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Status: Published

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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.

SSH ISO 9648:1988

Sorghum — Determination of tannin content

General information

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Scope

Life cycle

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Adopted from ISO 9648:1988