- You cannot add another "ISO Guide 47:1986 PDF" to your cart. View cart
ISO 9648:1988 PDF
Original price was: $43.00.$33.54Current price is: $33.54.
Sorghum — Determination of tannin content
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.
| Edition | 1988 |
|---|---|
| Published Date | 1988 |
| Published By | International Standardization Organisation |
| Page Count | 3 |
