Calci phosphat-da xong - CALCI PHOSPHAT Calcii phosphas Ch...

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CALCI PHOSPHAT Calcii phosphas Ch ph m là h n h p các lo i calci phosphat, ch a t 35,0 đ n 40,0% Ca. ế ứ ừ ế Tính ch t B t tr ng hay g n nh tr ng. Th c t không ư ắ ự ế tan trong n c, tan trong ướ acid hydrocloric loãng (TT) acid nitric loãng (TT) . Đ nh tính A. Hòa tan 0,1 g ch ph m trong 5 ml ế dung d ch acid nitric 25% (TT) . L y 2 ml dung d ch này, thêm 2 ml dung d ch amoni molypdat (TT) s hi n t a vàng. ẽ ệ ủ B. Nung 0,2 g ch ph m trong chén s , đ ngu i. Thêm 0,5 ml ế ứ ể dung d ch b c nitrat 4,25% , h n h p s có màu vàng. C. Ch ph m cho ph n ng A c a ion calci (Ph l c 8.1). L c tr c khi thêm ế ả ứ ụ ụ ướ dung d ch kali ferocyanid (TT). Dung d ch S: Hòa tan 2,50 g ch ph m trong 20 ml ế dung d ch acid hydrocloric 2 M (TT) . N u ế dung d ch không trong, l c. Thêm t ng gi t dung d ch amoniac 10% (TT) đ n khi có t a t o ế ủ ạ thành. Hòa tan t a b ng cách thêm dung d ch acid hydrocloric 2 M (TT) và pha loãng b ng n c ướ thành 50 ml. Clorid
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This note was uploaded on 12/28/2011 for the course PHARMACEUT 101 taught by Professor Yentrang during the Spring '11 term at Albany College of Pharmacy and Health Sciences.

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Calci phosphat-da xong - CALCI PHOSPHAT Calcii phosphas Ch...

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