How could you characterize the product obtained and ensure that it is the acid picric?
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A: Given values: Saponification value = 71.2 Acid number = 15.5
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Q: Draw the shape of the crystals expected to form for the following sugars in Benedict's test:…
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Q: Calculate the amount of phycocyanin in Sample 1 in mg where A620=0.211 and A650=0.086, taking into…
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Q: Can the iodine test distinguish between amylose and amylopectin? What would you look for?
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Q: A carbohydrate sample reacts positively with all test reagents except for Lugol's. The sample could…
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Q: Will the given lipid test positive in the Ninhydrin test?
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Q: Laemmli buffer, also referred to as SDS-reducing buffer, is added to each of the samples. It is a…
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Q: When and why should opaque capsules be used in compounding?
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Q: Calculate the amount of phycocyanin in Sample 1 in mg where A620=0.192 and A650=0.090, taking into…
A: Phycocyanin is a protein-pigment complex that is a member of the phycobiliprotein family. It's a…
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Q: An unknown solution contains a single pure sugar. It gives positive results to Molisch’s and…
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Q: Give the complete solution.
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Q: An unknown carbohydrate gave a brick-red precipitate when tested with Fehling’s reagents, turned red…
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How could you characterize the product obtained and ensure that it is the acid
picric?
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- If you have 50 ml of pure stock formalin solution how many ml of diluent will you need? What is the total volume of the reagent used you have prepared? Write down your answers with complete solutions and correct labels.An unknown solution contains a single pure sugar. It gives positive results to Molisch’s and Benedict’s tests but is negative for all others. What is the sugar? Is it sucrose, lactose, or xylose? Explain your choice.What is the disulfide? Can you explain to me, please? Also, can you give me an example of the disulfide?
- Propose a scheme to separate and isolate a mixture containing 4-aminobenzoate, 1,2,4,5-tetrachlorobenzene, and napthalene. Isolate two of the three solids by extraction. (please explain what solvents to use and the process step by step)When and why should opaque capsules be used in compounding?Laemmli buffer, also referred to as SDS-reducing buffer, is added to each of the samples. It is a blue solution and the recipe for 2X Laemmli buffer is: 0.125 M Tris HCl, pH 6.8, 20% glycerol, 4% SDS and 10% β-mercaptoethanol (βME). What is the purpose of each of these ingredients?
- An unknown carbohydrate gave a brick-red precipitate when tested with Fehling’s reagents, turned red when reacted with Seliwanoff’s reagent, and quickly gave a red precipitate with Barfoed’s reagent. What conclusion can be made about this carbohydrate?A carbohydrate sample reacts positively with all test reagents except for Lugol's. The sample could possibly be?Draw the shape of the crystals expected to form for the following sugars in Benedict's test: SUCROSE LACTOSE
- Can the iodine test distinguish between amylose and amylopectin? What would you look for?Calculate the amount of phycocyanin in Sample 1 in mg where A620=0.211 and A650=0.086, taking into account the dilution factor (100), and the total volume of extract (140).Calculate the amount of phycocyanin in Sample 1 in mg where A620=0.192 and A650=0.090, taking into account the dilution factor (100), and the total volume of extract (45). Note your answer to 2 decimal places.