- Raspail's test for arsenic, [29]
- Reinsch's test for arsenic, [30]
- Reveil's test for vinegar, [148]
- Rice meal in flour, [120]
- Robin's method for spermatic stains, [160]
- Rodgers and Girdwood's method for alkaloids, [71]
- Rye meal in flour, [117], [120]
S.
- Salicine in sulphate of quinine, [148]
- Sand in flour, [125]
- Silver, [57]
- Smithson's pile, [36]
- Soda, [53], [92], [93]
- Solanine, [79]
- Spermatic stains, detection of, [158]
- Spermatozoa, [159]
- Starch in sulphate of quinine, [148]
- Stearic acid in sulphate of quinine, [148]
- Stas's method for alkaloids, [65]
- Strychnine, [78]
- Sugar in milk, [142]
- Sugar in sulphate of quinine, [148]
- Sulphate of copper in bread, [127]
- Sulphate of quinidine in sulphate of quinine, [149]
- Sulphate of quinine, examination of, [148]
- Sulphuretted hydrogen, [91]
- Sulphuric acid, [47], [89], [95]
- Sympathetic inks, tests for, [110]
T.
U.
- v. Uslar and Erdman's method for alkaloids, [70]
V.
W.