Division 8 Note
United Kingdom
A small volume of isopentanol (4·9) may be added before acidifying with sulphuric acid to reduce foaming.
Table of values according to Luff-Schoorl reagent
| 0·1 mol/litre Na2S2O3 | Glucose, fructose, invert sugars C6H12O6 | |
|---|---|---|
| ml | mg | difference |
| 1 | 2·4 | |
| 2 | 4·8 | 2·4 |
| 3 | 7·2 | 2·4 |
| 4 | 9·7 | 2·5 |
| 5 | 12·2 | 2·5 |
| 6 | 14·7 | 2·5 |
| 7 | 17·2 | 2·5 |
| 8 | 19·8 | 2·6 |
| 9 | 22·4 | 2·6 |
| 10 | 25·0 | 2·6 |
| 11 | 27·6 | 2·6 |
| 12 | 30·3 | 2·7 |
| 13 | 33·0 | 2·7 |
| 14 | 35·7 | 2·7 |
| 15 | 38·5 | 2·8 |
| 16 | 41·3 | 2·8 |
| 17 | 44·2 | 2·9 |
| 18 | 47·1 | 2·9 |
| 19 | 50·0 | 2·9 |
| 20 | 53·0 | 3·0 |
| 21 | 56·0 | 3·0 |
| 22 | 59·1 | 3·1 |
| 23 | 62·2 | 3·1 |