The book Chemical Analysis of Lead And Its Compounds was written by author John a John Ahlum Schaeffer Here you can read free online of Chemical Analysis of Lead And Its Compounds book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Chemical Analysis of Lead And Its Compounds a good or bad book?
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The button last obtained should not weigh over 20 grams and can be cupelled directly. Weigh the silver button ob- tained upon an assay balance. Note. If the amount of silver is large, the button should be examined for gold, in the usual manner. B. Determination of Bismuth Solutions Required Sodium Carbonate. Dissolve 100 grams Na 2 C0. 3 in a liter of distilled water. Ammonium Carbonate. Make a half saturated solution. Alkaline Sulphide Wash Solution. Dissolve 200 grams of KOH in a liter of dis...tilled water and mix one part of this solution with 4 parts of H 2 S water. iReprinted by permission from the 1921 Book of the A. S. T. M. Standards of the American Society for Testing Materials. Ill 112 Chemical Analysis of Lead and Its Compounds Method (a) Determination for Ordinary Amounts of Bismuth. Dissolve 20 grams of the sample in a 400-c. C. Beaker with 100 c. C. Of HNO 3 (1:4), with the aid of heat. When solution is complete, add dilute ammonia (1:2) with constant stirring, drop by drop from a burette, until a faint opalescence ap- pears.
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