 Take litmus paper dipped in vinegar, and if, on immersion, the paper returns to its true shade, the water does not contain earthy matter or alkali. If a few drops of syrup be added to a water containing an earthy matter it will turn green . Test for Carbonic...  The New England Medical Gazette - Page 4801887Full view - About this book
 | 1895 - 542 pages
...gets milky, lime is present. Test for Hard or Soft Water.— Dissolve a small quantity of good soap in alcohol. Let a few drops fall into a glass of water....If it turns milky, it is hard; if not it is soft. Tests for Iron. I. Boil a little nut gall and add to the water. If it turns gray or lake, iron is present.... | |
 | 1886 - 606 pages
...may try. They are as follows: Test for Hard or Soft Water. — Dissolve a small quantity of good soap in alcohol. Let a few drops fall into a glass of water....If it turns milky, it is hard ; if not, it is soft. Test for Earthy Matters or Alkali. — Take litmus paper dipped in vinegar, and if, on immersion, the... | |
 | 1886 - 344 pages
...Huntington, LI, some time ago. Test for hard or soft water : Dissolve a small quantity of good soap in alcohol. Let a few drops fall into a glass of water....If it turns milky, it is hard ; if not, it is soft. Maine has during the last year put up 10.701,600 cans of corn, over 840,000 cans of succotash, and... | |
 | 1887 - 812 pages
...following tests for water are interesting. For hard or soft water : Dissolve a small quantity of good soap in alcohol. Let a few drops fall into a glass of water....is hard ; if not, it is soft. For earthy matters or alkalies : take litmus paper dipped in vinegar and if, on immersion, the paper returns to its true... | |
 | William Mooney - 1888 - 412 pages
...5 Ibs. of salt. WATER TESTS. Test for hard or soft water.— Dissolve a small quantity of good soap in alcohol. Let a few drops fall into a glass of water....If it turns milky it is hard, if not, it is soft. Test for Earthy matters or Alkali. — Take litmus paper dipped in vinegar, and if, on immersion, the... | |
 | 1898 - 656 pages
...produced the result. TESTS FOR WATER. — For hard or soft. Dissolve a small quantity of good soap in alcohol. Let a few drops fall into a glass of water....turns milky it is hard, if not it is soft. For earthy matter or alkali: Take litmus paper dipped in vinegar, and if on emersion the paper returns to its... | |
 | Charles Haynes Haswell - 1903 - 1092 pages
...Dissolve a small quantity of soap in alcohol. Put a lew drops of it in a vessel of water. If it becomes milky, it is hard, if not, it is soft. For Earthy Matters or Alkali.— Dip litmus paper in vinegar, and if on immersion in water, the paper returns to its true shade, the... | |
 | 1903 - 456 pages
...WATER IS HARD OR SOFT. Dissolve some good soap in alcohol, and put a few drops into a glass of the water. If it turns milky it is hard ; if not, it is soft. 259. TO SOFTEN HARD WATER, or purify river water, simply boil it, and then leave it exposed to the... | |
 | 1895 - 372 pages
...gets milky, lime is present. Test for hard or soft water.—Dissolve a small quantity of good soap in alcohol. Let a few drops fall into a glass of water....If it turns milky, it is hard; if not it is soft. Tests for iron.—1. Boil a little nut-gall and add to the water. If it turns gray or lake, iron is... | |
 | Irving P. Fox - 1909 - 604 pages
...heavy precipitate indicates lead. TEST FOR HARD OR SOFT WATER. Dissolve a small quantity of good soap in alcohol. Let a few drops fall into a glass of water....If it turns milky it is hard ; if not it is soft. TEST FOR EARTHY MATTERS OR ALKALI. Take litmus paper dipped in vinegar, and if on immersion the paper... | |
| |
