Introduction to Practical Chemistry for Medical Dental And General Students S
Introduction to Practical Chemistry for Medical Dental And General Students S
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In our eReader you can find the full English version of the book. Read Introduction to Practical Chemistry for Medical Dental And General Students S 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 Introduction to Practical Chemistry for Medical Dental And General Students S
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If Na 2 2 is not available, proceed as follows : (a) Boil up the residue with caustic soda. Filter. Acidify with HC1 and then add NH 4 OHAq and boil. White pp. Of A1(OH) 3 indicates aluminium.
(b) Fuse up the residue with Na, C0 3 and KN0 3 on platinum foil or in a small iron spoon. Extract with water and TESTS FOR ELECTRO-POSITIVE RADICLES 161 filter. The solution will be yellowish if chromium be present. Acidify with acetic acid and add lead acetate. Yellow precipitate of PbCr0 4 indicates ch...romium.
(b) Oxalates or Tartrates insoluble in water present. If oxalate or tartrate insoluble in water be indicated on heating a small quantity of dry substance, heat strongly about a gram of the substance until the organic compounds are completely de- composed ; dissolve the residue in dil. HC1 or dil. HN0 3 ; filter if necessary and proceed as usual through the groups.
162 TESTS FOR ELECTRO-POSITIVE RADICLES C. ANALYSIS OF A SOLUTION CONTAINING TWO OR MORE METALS BELONGING TO DIFFERENT ANALYTICAL GROUPS.
What to read after Introduction to Practical Chemistry for Medical Dental And General Students S?
You can find similar books in the "Read Also" column, or choose other free books by A M Kellas to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
If Na 2 2 is not available, proceed as follows : (a) Boil up the residue with caustic soda. Filter. Acidify with HC1 and then add NH 4 OHAq and boil. White pp. Of A1(OH) 3 indicates aluminium.
(b) Fuse up the residue with Na, C0 3 and KN0 3 on platinum foil or in a small iron spoon. Extract with water and TESTS FOR ELECTRO-POSITIVE RADICLES 161 filter. The solution will be yellowish if chromium be present. Acidify with acetic acid and add lead acetate. Yellow precipitate of PbCr0 4 indicates ch...romium.
(b) Oxalates or Tartrates insoluble in water present. If oxalate or tartrate insoluble in water be indicated on heating a small quantity of dry substance, heat strongly about a gram of the substance until the organic compounds are completely de- composed ; dissolve the residue in dil. HC1 or dil. HN0 3 ; filter if necessary and proceed as usual through the groups.
162 TESTS FOR ELECTRO-POSITIVE RADICLES C. ANALYSIS OF A SOLUTION CONTAINING TWO OR MORE METALS BELONGING TO DIFFERENT ANALYTICAL GROUPS.
What to read after Introduction to Practical Chemistry for Medical Dental And General Students S?
You can find similar books in the "Read Also" column, or choose other free books by A M Kellas to read onlineMoreLess
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