 | Hugo Ziemssen - 1879 - 724 σελίδες
...estimation of the chlorides is readily made by treating a known quantity of the water to be examined, to which has been added a few drops of a solution of neutral potassium chromate, by a standard solution of nitrate of silver until a permanent red tint... | |
 | Albert Brown Lyons - 1886 - 164 σελίδες
...separate completely, which it will do speedily, and draw it off into a second separator containing 5 cc. of water, to which has been added a few drops of dilute sulphuric acid, 1 :5. Agitate, and when the chloroform has separated draw it off into a third... | |
 | 1889 - 476 σελίδες
...remaining clear. To do this flow the plate with a solution of one and a half grains of pyro to the ounce of water, to which has been added a few drops of a solution composed of: Silver nitrate, 30 grains. Citric acid, 20 " Nitric acid, 10 drops. Water, I ounce. Be... | |
 | Julius Schnauss, Edwin C. Middleton - 1889 - 194 σελίδες
...— The fixed and washed negative is flooded over with a solution of gum arabic in water (i to 20), to which has been added a few drops of a solution of chrome alum (i to 60). Allow to dry, retouch with lead pencil, and edge with tallow to prevent overflow,... | |
 | 1889 - 454 σελίδες
...to separate completely, which it will do speedily, draw it off into a second separator, containing 5 cc of water, to which has been added a few drops of dilute sulphuric acid, i :s, agitate, and when the chloroform has separated, draw it off into a third... | |
 | 1897 - 646 σελίδες
...glcssy velox papers may be removed by the use of a ten per cent, solution of hyposulphite of sodium to which has been added a few drops of a solution of ferricyanide of potassium; or by rubbing the surface of the print, after it has been dried, with a... | |
 | George Francis Atkinson - 1898 - 496 σελίδες
...possesses no plant food; another in the nutrient solution, and still another in the nutrient solution to which has been added a few drops of a solution of iron chloride or ferrous sulphate. There would then be four series of cultures which should be carried... | |
 | Albert Brown Lyons - 1899 - 258 σελίδες
...) agitate once more, let separate and draw off the chloroform into a second separator containing 5 cc. of water to which has been added a few drops of dilute sulphuric acid (1 : 5. ) Agitate and when the chloroform has separated, draw it off into a third... | |
 | George Francis Atkinson - 1900 - 394 σελίδες
...possesses no plant food ; another in the nutrient solution, and still another in the nutrient solution to which has been added a few drops of a solution of iron chloride or ferrous sulphate. There would then be four series of cultures which should be carried... | |
 | George Francis Atkinson - 1905 - 758 σελίδες
...possesses no plant food; another in the nutrient solution, and still another in the nutrient solution to which has been added a few drops of a solution of iron chloride or ferrous sulphate. There would then be four series of cultures which should be carried... | |
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Put one fourth of a test tube full of bone black into a small flask and pour over it about 50 cc. of water, to which has been added a few drops of a solution of litmus or of indigo. 
