The Phosphates of America: Where And How They Occur; How They Are Mined; And ...
The Phosphates of America: Where And How They Occur; How They Are Mined; And ...
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In our eReader you can find the full English version of the book. Read The Phosphates of America: Where And How They Occur; How They Are Mined; And ... 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 The Phosphates of America: Where And How They Occur; How They Are Mined; And ...
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Sulphur, The filtrate and washings from the last determination, are slightly saturated with ammonia, filtered while hot, and washed on the filter with hot water, avoiding channels in the mass. Suflfi- ciently dense, but yet rapidly -filtering paper, must be used, and choice made of funnels with an angle of exactly 60°, whose tube is not too wide, and is completely filled by the liquid running through. The washing is continued until the addition of a little BaCl^ to the last runnings shows no op...alescence even after a few minutes. The filtrate and washings must not exceed 200 cc, or if they do, they should be concentrated by evaporation. Pure IICl in very slight excess is now added ; the liquid is heated to boiling ; removed from the burner ; and treated with 40 c.c. of a ten-per-cent. solution of BaCl^, previously heated to boiling.
After precipitation the liquid is left to stand for half an hour, when the precipitate should be completely settled. The clear portion is decanted through a filter, and the precipitate is washed with hot water by decant ation three or four times, until the liquid loses all acid reaction.
What to read after The Phosphates of America: Where And How They Occur; How They Are Mined; And ...?
You can find similar books in the "Read Also" column, or choose other free books by Francis Wyatt to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Sulphur, The filtrate and washings from the last determination, are slightly saturated with ammonia, filtered while hot, and washed on the filter with hot water, avoiding channels in the mass. Suflfi- ciently dense, but yet rapidly -filtering paper, must be used, and choice made of funnels with an angle of exactly 60°, whose tube is not too wide, and is completely filled by the liquid running through. The washing is continued until the addition of a little BaCl^ to the last runnings shows no op...alescence even after a few minutes. The filtrate and washings must not exceed 200 cc, or if they do, they should be concentrated by evaporation. Pure IICl in very slight excess is now added ; the liquid is heated to boiling ; removed from the burner ; and treated with 40 c.c. of a ten-per-cent. solution of BaCl^, previously heated to boiling.
After precipitation the liquid is left to stand for half an hour, when the precipitate should be completely settled. The clear portion is decanted through a filter, and the precipitate is washed with hot water by decant ation three or four times, until the liquid loses all acid reaction.
What to read after The Phosphates of America: Where And How They Occur; How They Are Mined; And ...?
You can find similar books in the "Read Also" column, or choose other free books by Francis Wyatt to read onlineMoreLess
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