DISINFECTANTS
Disinfecting Fluids.—
| I.— | Creosote | 40 gallons |
|---|---|---|
| Rosin, powdered | 56 pounds | |
| Caustic soda lye, 38° Tw | 9 gallons | |
| Boiling water | 12 gallons | |
| Methylated spirit | 1 gallon | |
| Black treacle | 14 pounds |
Melt the rosin and add the creosote; run in the lyes; then add the matter and methylated spirit mixed together, and add the treacle; boil all till dissolved and mix well together.
| II.— | Hot water | 120 pounds |
|---|---|---|
| Caustic soda lye, 38° B | 120 pounds | |
| Rosin | 300 pounds | |
| Creosote | 450 pounds |
Boil together the water, lye, and rosin, till dissolved; turn off steam and stir in the creosote; keep on steam to nearly boiling all the time, but so as not to boil over, until thoroughly incorporated.
| III.— | Fresh-made soap (hard yellow) | 7 pounds |
|---|---|---|
| Gas tar | 21 pounds | |
| Water, with 2 pounds soda | 21 pounds |
Dissolve soap (cut in fine shavings) in the gas tar; then add slowly the soda and water which has been dissolved.
| IV.— | Rosin | 1 cwt. |
|---|---|---|
| Caustic soda lye, 18° B | 16 gallons | |
| Black tar oil | 1/2 gallon | |
| Nitro-naphthalene dissolved in boiling water (about 1/2 gallon) | 2 pounds |
Melt the rosin, add the caustic lye; then stir in the tar oil and add the nitro-naphthalene.