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" The precipitate shall be dissolved in a small quantity of hot hydrochloric acid, the solution diluted to about 100 cc, 1 cc of a saturated solution of sodium-ammonium-hydrogen phosphate added, and ammonia drop by drop, with constant stirring, until the... "
Standard Methods of Testing and Specifications for Cement ... - Page 25
by Portland Cement Association - 1905 - 32 pages
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Bulletin, Volume 20, Part 1

American Society for Testing Materials - Building materials - 1920 - 868 pages
...solution with water to about 100 cc., add 1 cc. of a saturated solution of Na (NH4) HPO4, and NH4OH drop by drop with constant stirring, until the precipitate is again formed as above described and the ammonia is in moderate excess. Then allow it to stand in a cool atmosphere...
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Review of American Chemical Research, Volume 8

Chemistry - 1902 - 594 pages
...the solution is made up to about 100 cc., 2 cc. of a saturated solution of sodium ammonium phosphate added, and ammonia, drop by drop, with constant stirring...until the precipitate is again formed as described. It is then allowed to stand for about two hours, when it is filtered on paper ,or a Gooch crucible,...
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Directory of American Cement Industries and Hand-book for Cement Users

Charles Carroll Brown - Cement - 1902 - 764 pages
...hot dilute liri,the solution made up to about 100 cc, 2 cc of a saturated solution of Na(NH4) HPO4 added, and ammonia drop by drop, with constant stirring...until the precipitate is again formed as described. It is then allowed to stand for about two hours, when it is filtered on paper or a Gooch crucible,...
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Circular of the Bureau of Standards, Issues 351-390

Weights and measures - 1927 - 524 pages
...the solution to about 100 ml, add 1 ml of a saturated solution of sodium-ammoniumhydrogen phosphate and ammonia, drop by drop, with constant stirring,...until the precipitate is again formed as described above and the ammonia is in moderate excess. Allow the precipitate to stand about two hours; filter...
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Bulletin, Volume 3

Ohio. Division of Geological Survey - Geology - 1904 - 416 pages
...hydrochloric acid, the solution made up to about 10o cc., 2 cc. of a saturated microcosmic salt solution added and ammonia, drop by drop, with constant stirring...until the precipitate is again formed as described. Allow to stand for about two hours, when it is filtered on paper or in a Gooch crucible, cooled and...
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The Manufacture of Hydraulic Cements

Albert Bleininger, Geological Survey of Ohio - Cement - 1904 - 418 pages
...hydrochloric acid, the solution made up to about 100 cc., 2 cc. of a saturated microcosmic salt solution added and ammonia, drop by drop, with constant stirring...until the precipitate is again formed as described. Allow to stand for about two hours, when it is filtered on paper or in a Gooch crucible, cooled and...
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Cements, Limes, and Plasters: Their Materials, Manufacture, and Properties

Edwin Clarence Eckel - Cement - 1905 - 802 pages
...hot dilute HC1, the solution made up to about 100 ccj 1 cc of a saturated solution of Na(NH4)HPC>4 added, and ammonia drop by drop, with constant stirring...a Gooch crucible, ignited, cooled, and weighed as Mg2P207. K20 and Na2O: For the determination of the alkalies, the wellknown method of Prof. J. Lawrence...
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Practical Cement Testing

W. Purves Taylor - Cement - 1905 - 344 pages
...in hot dilute HCI, the solution made up to about t00 cc, 1 cc of a saturated solution of Na(NH4)HPO added ,and ammonia drop by drop, with constant stirring...or a Gooch crucible, ignited, cooled and weighed as Mg.,P,O?. Alkalies (K,,O and Na2O). For the determination of the alkalies, the well known method of...
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Standard Methods of Testing and Specifications for Comment

American Society for Testing Materials. Committee on Standard Specifications for Cement - Cement - 1905 - 40 pages
...in hot dilute HCl, the solution made up to about 100 cc, 1 cc of a saturated solution of Na(NH4)HP04 added, and ammonia drop by drop, with constant stirring...or a Gooch crucible, ignited, cooled and weighed as Mg2P207. ALKALIES (K2O AND Na2O). For the determination of the alkalies, the well-known method of Prof....
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A Treatise on Concrete, Plain and Reinforced: Materials, Construction, and ...

Frederick Winslow Taylor, Sanford Eleazer Thompson - Concrete - 1905 - 664 pages
...in hot dilute HC1, the solution made up to about 100 cc, i cc of a saturated solution of Na(NH4)HPO4 added, and ammonia drop by drop, with constant stirring...filtered on a paper or a Gooch crucible, ignited, coo'pd and weighed as Mg2P2O7. K2O and Na2O: For the determination of the alkalies, the well-known...
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