ISO 9648:1988 en

Sorghum - Determination of tannin content

31,57 38,20 Incl BTW

Over deze norm

Status Definitief
Aantal pagina's 3
Commissie Beleidscommissie Landbouw & Levensmiddelen
Gepubliceerd op 29-12-1988
Taal Engels
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.


ICS-code 67.060
Engelse titel Sorghum - Determination of tannin content



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