Myrobalans.
| Temperature of Extraction. | Tanning Matters. | Soluble Non- Tannins. | Per cent. of Tannin on Maximum Yield. | Colour of 1⁄2 per cent. Solutionin 1⁄2 inch Cell. | Per cent. of Colour on Maximum Yield. | |
|---|---|---|---|---|---|---|
| Red. | Yellow. | |||||
| °C. | per cent. | per cent. | deg. | deg. | ||
| 15 | 28·5 | 12·8 | 79·2 | 1·09 | 4·9 | 97·4 |
| 15-30 | 30·1 | 13·6 | 83·6 | 1·00 | 4·1 | 82·5 |
| 30-40 | 32·3 | 14·3 | 89·8 | 1·03 | 4·1 | 82·7 |
| 40-50 | 33·5 | 13·6 | 93·0 | 1·03 | 4·2 | 84·4 |
| 50-60 | 34·7 | 14·4 | 96·4 | 1·03 | 4·4 | 87·6 |
| 60-70 | 34·8 | 14·4 | 96·6 | 1·03 | 4·5 | 89·3 |
| 70-80 | 34·9 | 14·9 | 96·8 | 1·10 | 4·7 | 94·1 |
| 80-90 | 35·1 | 15·0 | 97·4 | 1·16 | 4·8 | 96·7 |
| 90-100 | 36·0 | 14·9 | 100·0 | 1·12 | 4·9 | 97·0 |
| Boiled | 35·4 | 15·5 | 98·1 | 1·26 | 4·9 | 100·0 |
Smyrna Valonea.
| Temperature of Extraction. | Tanning Matters. | Soluble Non- Tannins. | Per cent. of Tannin on Maximum Yield. | Colour of 1⁄2 per cent. Solutionin 1⁄4 inch Cell. | Per cent. of Colour on Maximum. | ||
|---|---|---|---|---|---|---|---|
| Red. | Yellow. | Blue. | |||||
| °C. | per cent. | per cent. | deg. | deg. | deg. | ||
| 15 | 25·5 | 19·1 | 70·5 | 2·5 | 6·0 | 0·3 | 74·6 |
| 15-30 | 29·1 | 18·3 | 74·5 | 2·5 | 6·4 | 0·3 | 78·0 |
| 30-40 | 33·6 | 18·1 | 86·2 | 2·3 | 6·4 | 0·3 | 76·2 |
| 40-50 | 35·5 | 18·1 | 86·2 | 2·3 | 6·5 | 0·3 | 74·6 |
| 50-60 | 39·1 | 16·6 | 100·0 | 2·0 | 6·0 | 0·3 | 76·2 |
| 60-70 | 38·6 | 17·0 | 99·0 | 2·0 | 6·8 | 0·3 | 84·7 |
| 70-80 | 38·8 | 17·5 | 99·5 | 2·1 | 7·4 | 0·4 | 84·7 |
| 80-90 | 36·9 | 17·2 | 95·0 | 2·2 | 7·6 | 0·4 | 84·7 |
| 90-100 | 36·6 | 17·0 | 94·0 | 2·4 | 7·8 | 0·5 | 90·6 |
| Boiled | 35·4 | 17·6 | 90·6 | 3·0 | 8·2 | 0·6 | 100·0 |
Greek Valonea.
| Temperature of Extraction. | Tanning Matters. | Soluble Non- Tannins. | Per cent. of Tannin on Maximum Yield. | Colour of 1⁄2 per cent. Solutionin 1⁄2 inch Cell. | Per cent. of Colour in 1⁄2 per cent. of Tannin Solution. | ||
|---|---|---|---|---|---|---|---|
| Red. | Yellow. | Blue. | |||||
| °C. | per cent. | per cent. | deg. | deg. | deg. | ||
| 15 | 16·0 | 13·0 | 64·0 | 2·9 | 6·3 | 0·3 | 67·3 |
| 15-30 | 18·1 | 12·6 | 72·4 | 3·0 | 6·6 | 0·3 | 70·0 |
| 30-40 | 21·1 | 12·0 | 84·4 | 2·8 | 6·5 | 0·3 | 68·0 |
| 40-50 | 23·6 | 12·1 | 94·4 | 2·4 | 6·6 | 0·3 | 65·9 |
| 50-60 | 24·8 | 12·4 | 99·2 | 2·7 | 7·0 | 0·4 | 71·6 |
| 60-70 | 25·0 | 12·6 | 100·0 | 2·9 | 7·3 | 0·5 | 75·8 |
| 70-80 | 24·6 | 12·5 | 98·4 | 3·1 | 7·9 | 0·6 | 82·3 |
| 80-90 | 24·0 | 12·5 | 96·0 | 3·4 | 8·1 | 0·6 | 85·8 |
| 90-100 | 23·6 | 12·6 | 94·4 | 3·5 | 8·8 | 0·7 | 92·0 |
| Boiled | 22·6 | 13·0 | 88·8 | 3·9 | 9·4 | 0·8 | 100·0 |
Natal Mimosa.
| Temperature of Extraction. | Tanning Matters. | Soluble Non- Tannins. | Per cent. of Tannin on Maximum. | Colour of 1⁄2 per cent. Solutionin 1⁄2 inch Cell. | Per cent. of Colour on Maximum. | |
|---|---|---|---|---|---|---|
| Red. | Yellow. | |||||
| °C. | per cent. | per cent. | deg. | deg. | ||
| 15 | 21·2 | 11·6 | 66·2 | 2·6 | 4·1 | 51·1 |
| 15-30 | 29·0 | 9·8 | 90·6 | 3·0 | 4·1 | 54·2 |
| 30-40 | 30·1 | 9·8 | 94·0 | 3·0 | 4·4 | 56·5 |
| 40-50 | 30·2 | 9·8 | 94·4 | 3·1 | 5·0 | 61·8 |
| 50-60 | 30·4 | 10·4 | 95·0 | 3·9 | 6·5 | 79·9 |
| 60-70 | 31·5 | 10·6 | 98·4 | 4·2 | 6·5 | 81·6 |
| 70-80 | 32·0 | 10·8 | 100·0 | 4·2 | 7·0 | 85·5 |
| 80-90 | 30·8 | 11·2 | 96·2 | 4·9 | 7·4 | 93·8 |
| 90-100 | 30·1 | 11·8 | 94·0 | 5·3 | 7·8 | 100·0 |
| Boiled | 29·4 | 12·0 | 91·8 | 5·7 | 7·2 | 98·4 |
Sumach.
| Temperature of Extraction. | Tanning Matters. | Soluble Non- Tannins. | Per cent. of Tannin on Maximum. | Colour of 1⁄2 per cent. Solutionin 1⁄2 inch Cell. | Per cent. of Colour on Maximum. | |
|---|---|---|---|---|---|---|
| Red. | Yellow. | |||||
| °C. | per cent. | per cent. | deg. | deg. | ||
| 15 | 14·2 | 17·8 | 70·0 | 1·6 | 5·4 | 63·6 |
| 15-30 | 17·6 | 18·1 | 86·7 | 1·4 | 4·3 | 51·8 |
| 30-40 | 18·5 | 18·1 | 91·1 | 1·3 | 4·4 | 51·8 |
| 40-50 | 20·1 | 18·5 | 99·0 | 1·4 | 4·4 | 52·9 |
| 50-60 | 20·3 | 19·1 | 100·0 | 1·5 | 4·7 | 56·5 |
| 60-70 | 19·0 | 19·4 | 93·6 | 1·7 | 5·6 | 66·6 |
| 70-80 | 18·0 | 19·9 | 89·1 | 1·9 | 6·2 | 72·8 |
| 80-90 | 16·9 | 21·1 | 83·2 | 2·3 | 6·8 | 82·7 |
| 90-100 | 16·6 | 22·3 | 81·7 | 2·6 | 7·0 | 87·7 |
| Boiled | 15·2 | 24·0 | 74·8 | 3·3 | 7·7 | 100·0 |