Читать книгу Henley's Formulas, Recipes and Processes (Applied Chemistry) - Various - Страница 89
Aquarium Cements.—
Оглавление| I.— | Litharge | 3 ounces |
|---|---|---|
| Fine white sand | 3 ounces | |
| Plaster of Paris | 3 ounces | |
| Rosin, in fine powder | 1 ounce | |
| Linseed oil, enough. | ||
| Drier, enough. |
Mix the first three ingredients, add sufficient linseed oil to make a homogeneous paste, and then add a small quantity of drier. This should stand a few hours before it is used. It is said that glass joined to iron with this cement will break before it will come loose.
| II.— | Litharge | 1 ounce |
|---|---|---|
| Fine white sand | 1 ounce | |
| Plaster of Paris | 1 ounce | |
| Manganese borate | 20 grains | |
| Rosin, in fine powder | 3 1/2 pounds | |
| Linseed varnish oil, enough. |
III.—Take equal parts of flowers of sulphur, ammonium chloride, and iron filings, and mix thoroughly with boiled linseed oil. Finally, add enough white lead to form a thin paste.
| IV.— | Powdered graphite | 6 parts |
|---|---|---|
| Slaked lime | 3 parts | |
| Barium sulphate | 8 parts | |
| Linseed varnish oil | 7 parts |
V.—Simply mix equal parts of white and red lead with a little kettle-boiled linseed oil.
