๐”– Bobbio Scriptorium
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Conditions for the Preservation of Gum Tragacanth Jellies**College of Pharmacy, Columbia University, New York, N. Y.

โœ Scribed by Taub, Abraham ;Meer, William A. ;Clausen, Lucy W.


Publisher
Elsevier
Year
1958
Weight
407 KB
Volume
47
Category
Article
ISSN
0095-9553

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Chromatographic Separation and Analysis
โœ Schwartz, Michael A. ;Kuramoto, Roy ;Malspeis, Louis ๐Ÿ“‚ Article ๐Ÿ“… 1956 ๐Ÿ› Elsevier โš– 273 KB ๐Ÿ‘ 1 views

n-heptane; n-butanol, Baker analyzed reagent; ethyl acetate, Baker analyzed reagent; buffer solution, pH 8.5,75 ml. 0.2 M boric acid plus 25 d. 0.2 M sodium borate. Equipment.-Beckman Spectrophotometer, Model DU; chromatograph tubes, 400 mm. long, 20 mm. in diameter, constricted at one end into a sh