A Manual of Microchemical Analysis
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In our eReader you can find the full English version of the book. Read A Manual of Microchemical Analysis Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book A Manual of Microchemical Analysis
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), and treat the dry mass with alcohol. The residue from the alcoholic solution is dissolved in water, and a drop is tested with platinic sulphate ( 61, 62, d). Another drop is tested with starch. A small quantity of nitrite facilitates the appearance of the blue stain of iodine ; a greater quantity will not produce any indication of bro- mine if more than a trace of iodine be present, unless the stain of iodine be destroyed. But, as bromine is set free after iodine, it is often found in the li...quid run off from the blue iodide of starch if this liquid be tested with some grains of starch. If necessary, small additions of hydro- chloric acid and of potassium nitrite also are made. If bromine is not found return to the iodide of starch. It is covered with a thin layer of dilute hydrochloric acid, and a grain of potassium chlorate is added. The starch is bleached if no bromine is present ; if bromine is present the colour of the starch is changed to yellow or orange, which resists the bleaching influence of chlorine for a long time.
What to read after A Manual of Microchemical Analysis?
You can find similar books in the "Read Also" column, or choose other free books by Heinrich Behrens to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
), and treat the dry mass with alcohol. The residue from the alcoholic solution is dissolved in water, and a drop is tested with platinic sulphate ( 61, 62, d). Another drop is tested with starch. A small quantity of nitrite facilitates the appearance of the blue stain of iodine ; a greater quantity will not produce any indication of bro- mine if more than a trace of iodine be present, unless the stain of iodine be destroyed. But, as bromine is set free after iodine, it is often found in the li...quid run off from the blue iodide of starch if this liquid be tested with some grains of starch. If necessary, small additions of hydro- chloric acid and of potassium nitrite also are made. If bromine is not found return to the iodide of starch. It is covered with a thin layer of dilute hydrochloric acid, and a grain of potassium chlorate is added. The starch is bleached if no bromine is present ; if bromine is present the colour of the starch is changed to yellow or orange, which resists the bleaching influence of chlorine for a long time.
What to read after A Manual of Microchemical Analysis?
You can find similar books in the "Read Also" column, or choose other free books by Heinrich Behrens to read onlineMoreLess
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