 | Andrew Alexander Blair - 1876 - 456 Seiten
...solution of potassium nitrate: dissolve i gramme of potassium nitrate in i litre of water. Phenolphthalein Solution. — A 0.2 per cent. solution of phenolphthalein...litres of water into a glass-stoppered bottle, add 20 cc of nitric acid (1.42 sp. gr.) and mix thoroughly. Measure accurately 10 cc of the " Standard... | |
 | American Foundrymen's Society - 1916 - 694 Seiten
...sodium hydroxide add an amount of distilled water just insufficient to completely dissolve it. Pour into a tall cylinder, close the cylinder and allow the insoluble matter to settle. Dilute in the proportion of 30 cc. to 2,000 cc. of distilled water. Standard Nitric Acid.... | |
 | Richard Moldenke - 1917 - 536 Seiten
...sodium hydroxide add an amount of distilled water just insufficient to completely dissolve it. Pour into a tall cylinder, close the cylinder and allow the insoluble matter to settle. Dilute in the proportion of 30 cc to 2,000 cc of distilled water. Standard Nitric Acid.... | |
 | Andrew Alexander Blair - 1918 - 334 Seiten
...litre of water. Phenolphthalein Solution. — A 0.2 per cent. solution of phenolphthalein : dissolve 1 gramme of phenolphthalein in 500 cc of 95 per cent....litres of water into a glass-stoppered bottle, add 20 cc of nitric acid (1.42 sp. gr.) and mix thoroughly. Measure accurately 10 cc of the " Standard... | |
 | 1918 - 992 Seiten
...sodium hydroxide add an amount of distilled water just insufficient to completely dissolve it. Pour into a tall cylinder, close the cylinder and allow the insoluble matter to settle. Dilute in the proportion of 30 cc. to 2000 cc. of distilled water. Standard Nitric Acid.... | |
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I gramme of phenolphthalein in 500 cc of 95 per cent. alcohol. Standard Solution of Sodium Hydroxide. — To 100 grammes pure sodium hydroxide add an amount of water just insufficient to completely dissolve it. Pour it into a tall cylinder, close the... 