carb laboratory report Part II - Part II Data Table of...

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Part II Data Table of Observation of 11 Types of Carbohyrates in 5 Carbohydrate Tests. Arabinose Fructose Galactose Mannose Sucrose Maltose Starc h Unknown Y-319C Benedict’s test + results: red ppt - results: solution remains blue + + - + - + + Barfoed’s test +++ results: red precipitate + results: some red ppt - results: solutions remain blue (time in seconds of time of precipitate occurrence) +++ (81) +++ (52) +++ (66) +++ (52) - + (187) +++ (70) Galactaric acid test + results: presence of white crystal
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Unformatted text preview: - results: absence of white crystal +-- Seliwanoff’s test + results: dark orange, cloudy solution - results: solution remains light orange (time in seconds of time of precipitate occurrence) + (22) + (22)--+ (20) Bial’s orcinol test + results: blue/black colored products(+)- results: solutions remain light orange(-) (time in seconds of time of precipitate occurrence) + (40)-(6)-(13)-(67)-(7)...
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  • Fall '08
  • jay
  • Disaccharide, Sucrose, Chemical tests, Arabinose Benedict, precipitate occurrence

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