Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Sixth annual report year ended 31st March 1906
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TABLE V. Samples of Known Origin.
| Rice. | Price. | Finish. | Total Ash. | Insoluble Ash. | Residual Ash. |
|---|---|---|---|---|---|
| Carolina | 6d. | Dull | 0.22 | 0.01 | 0.21 |
| ,, | 4½ d. | 11 | 0.29 | 0.02 | 0.27 |
| ,, | 4d. | Polished | o.63 | 0.44 | 0.24 |
| ,, | 4d. | ,, | o.86 | 0.41 | 0.45 |
| Patna: | |||||
| Foreign cleaned | 3d. to 4d. | ,, | 0.71 | 0.30 | 0.41 |
| ,, ,, | 2½d. | ,, | 1.07 | 0.70 | o.37 |
| ,, ,, | 2½d. | ,, | 1.14 | 0.73 | 0.41 |
| Broken, London milled | 2½d. | ,, | 0.90 | 0.50 | 0.40 |
| ,, ,, | 2½d. | Slightly polished | 0.80 | 0.42 | 0.38 |
| English cleaned | 3d. to 4d. | ,, ,, | 0.87 | 0.47 | 0.40 |
| ,, ,, | 3d. | ,, ,, | 0.92 | 0.56 | 0.36 |
| ,, ,, | 3d. | ,, ,, | 1.o8 | 0.78 | 0.30 |
| Japan | 3d. | Dull | 0.22 | 0.001 | 0.219 |
| Siam, Dutch cleaned | .. | ,, | 0.40 | 0.03 | 0.37 |
| Bassein: | |||||
| German cleaned | 2d. | Polished | 077 | °.35 | 0.42 |
| ,, ,, | 2d. | Polished (con-taining damaged grains) | 1.10 | o.6o | 0.50 |
| Java: | |||||
| Natural cleaned | 2½d. | Dull | 0.33 | 0.015 | 0.315 |
| Foreign cleaned | ... | Polished | 0.78 | 0.34 | 0.44 |
| Indigo treated | 4d. | ,, | 0.82 | 0.44 | 0.38 |
| ,, ,, | 2d. | ,, | 1.26 | 0.90 | 036 |
| English cleaned | 2½d. | ,, | 0.71 | 0.31 | 0.40 |
| ,, ,, | 2½d. | ,, | 0.74 | 0.43 | 0.31 |
| ,, ,, | 2½d. | ,, | 0.99 | 0.71 | 0.28 |
| ,, ,, | 2½d. | ,, | 1.14 | o.73 | 1.41 |
| Dutch cleaned | 3d. | ,, | 0.40 | 0.07 | 0.33* |
| ,, ,, | 3d. | ,, | 0.51 | 0.01 | 0.50 |
| ,, ,, | 3d. | ,, | 0.54 | 0.25 | 0.29 |
| ,, ,, | 3d. | ,, | 0.73 | 0.35 | 0.38 |
| ,, ,, | 3d. | ,, | 0.99 | 0.49 | 0.50 |
| Burma | 1½d. | Dull | 0.30 | trace | ... |
| Rangoon : | |||||
| Rice with hull | • • • | Brown | 2.62 | 1.42† | 1.20 |
| Rice de-hulled in the laboratory | ... | Very dull | 1.32 | 0.13† | 1.19 |
| Oil-dressed, in Holland | ... | Slightly polished | 0.30 | 0.01 | 0.29 |
| Broken, London milled | ... | Dull | 0.52 | 0.17 | 0.37 |
| Antwerp milled | ... | Polished | 1.15 | 0.82 | 0.35 |
•Probably polished by oil or some other process.
† Practically all silica.