What is the chemistry principle behind when (treatment: heavy cream) is subjected to CHILLED TEMPERATURE? What is the effect in beating time, stability (%drain) and volume foam (specific gravity) is important? see the data below Treatment (Heavy Cream) Beating Time (min) Stability (%drain) Volume of Foam (Specific Gravity) (Room Temperature) 20 No drain 0.94 Heavy Cream (chilled) 20 No drain 0.76 Heavy Cream with sugar and vanilla 20 No drain 0.88 Heavy Cream (over-whipped) 25 No drain 0.83
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What is the chemistry principle behind when (treatment: heavy cream) is subjected to CHILLED TEMPERATURE? What is the effect in beating time, stability (%drain) and volume foam (specific gravity) is important? see the data below
Treatment (Heavy Cream) |
Beating Time (min) |
Stability (%drain) |
Volume of Foam (Specific Gravity) |
(Room Temperature) |
20 |
No drain |
0.94 |
Heavy Cream (chilled) |
20 |
No drain |
0.76 |
Heavy Cream with sugar and vanilla |
20 |
No drain |
0.88 |
Heavy Cream (over-whipped) |
25 |
No drain |
0.83 |
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- What is the chemistry principle behind when (treatment: heavy cream) is subjected to room temperature? Why does beating time, stability (%drain) and volume foam (specific gravity) is important? see the data below Treatment (Heavy Cream) Beating Time (min) Stability (%drain) Volume of Foam (Specific Gravity) (Room Temperature) 20 No drain 0.94 Heavy Cream (chilled) 20 No drain 0.76 Heavy Cream with sugar and vanilla 20 No drain 0.88 Heavy Cream (over-whipped) 25 No drain 0.83Calculate the volume of BSA stock that will be required to make the standard solutions needed to create the BSA standard curve. Be sure to show your work and include the volume of 0.02 M phosphate buffer required to reach a final volume of 1 mL. From a 2,000 μg/mL BSA stock, create 1 mL of each of the following stock solutions in 0.02 M phosphate buffer using individual microcentrifuge tubes: 50 μg/mL, 250 μg/mL, 500 μg/mL, 1,000 μg/mL, 1,250 μg/mL, 1,500 μg/mL. Be sure to properly label all the microcentrifuge tubes before creating the standards.What is the chemistry principle behind when (treatment: heavy cream, evaporated milk, and NFDM) is subjected to different types of temperature such as room tempt and chilled. Why does beating time, stability (%drain) and volume foam (specific gravity) is important? see the data below Treatment (Heavy Cream) Beating Time (min) Stability (%drain) Volume of Foam (Specific Gravity) (Room Temperature) 20 No drain 0.94 Heavy Cream (chilled) 20 No drain 0.76 Heavy Cream with sugar and vanilla 20 No drain 0.88 Heavy Cream (over-whipped) 25 No drain 0.83 Treatment (Evaporated Milk) Beating Time (min) Stability (%drain) Volume of Foam (Specific Gravity) (Room Temperature) 8 No drain 0.33 Evaporated milk (chilled) 11 No drain 0.86 Evaporated milk with lemon and sugar 12 No drain 0.87 Evaporated milk with gelatine and water 10 4.57% 0.50 Treatment (NFDM) Beating Time (min) Stability…
- What is the chemistry principle behind when (treatment: evaporated milk) is subjected at room temperature and chilled? Why does beating time, stability (%drain) and volume foam (specific gravity) is important? see the data below Treatment (Evaporated Milk) Beating Time (min) Stability (%drain) Volume of Foam (Specific Gravity) (Room Temperature) 8 No drain 0.33 Evaporated milk (chilled) 11 No drain 0.86 Evaporated milk with lemon and sugar 12 No drain 0.87 Evaporated milk with gelatine and water 10 4.57% 0.50The standard curve to determine the amount of betacyanin is shown below. You extracted a red pigment from a beet disc (the mass of a disc is 2 g) using 10 ml of 20% ethanol solution. You measured absorbance of the solution above the beet disc every minute for a total time of 20 minutes. The increase in absorbance was linear during a period of time from 1 min to 10 min. The absorbance at 10 min was 0.8. Calculate the amount of betacyanin extracted from 1g of a beet tissue per minute. Explain your calculations. You can use Excel or a calculator.In an experiment, separation of albumin from chicken liver was attempted at 31%, 58%, and 65% saturation with ammonium sulfate, (NH4)2SO4. After homogenization and centrifugation, 23 ml of the supernatant was obtained. What is the volume of saturated buffered (NH4)2SO4 (pH 7.0) that must be added to make the solution 31% saturated? 10.3 ml 8.33 ml 9.50 ml O 12.2 ml
- Benzalkonium chloride (E=0.16) 1.5g qs 100 ml Distilled water 0.9% Nacl solution ad Make isotonic solution Questions: 1. How many ml of distilled water must be added to make the Benzalkonium chloride preparation isotonic? 2. How many ml of 0.9% NaCl must be added to make a 100ml solution?What is the minimum volume of dissolution media required to provide sink condition in dissolution test of a tablet dosage form (its weight: 1350 mg; dose strength: 1000 mg) regarding the following conditions? The molecular weight of an active drug substance is 500 Da; the dissolution media is water and the solubility of active drug substance in water is 10 mg/Ml (4. SLAYT) 500 ml 1000 ml 1350 ml 100 ml 135 mlSolution Absorbance mg/ml aspirin Standard solution - 1.6 mg/mL A 0.638 0.08 mg/mL B 0.504 0.064 mg/mL C 0.376 0.048 mg/mL D 0.259 0.032 mg/mL E 0.126 0.016 mg/mL A = -log T where T = %T ÷ 100 Construct a callibration curve using the above data. Absorbance should be on the vertical axis and "mg/mL of acetylsalicylic acid" on the horizontal axis. The line should go through the origin. Using the data provided, the graph you have generated, and the procedure that was used to generate the solutions which were examined by spectroscopy, calculate the amount of acetylsalicylic acid per tablet. Commercial tablet 1 labelled as 100 mg enteric coated Absorbance = 0.16 Commercial tablet 2 labelled as 300 mg Absorbance = 0.45 Student prepared tablet from practical 5 Absorbance = 0.19 Using the data provided, the graph you have generated, and the procedure that was used…
- Release of drug from a 20mm gel cube (B) was tested by placing it in a large dissolution apparatus containing a buffered solution into which the drug (A) was extracted. 4 of the sides are sealed, while 2 opposite sides are not. If Xp = 0.4, and DAB = 1.8 x 10-6 cm2/s, what ist (hr)?A 5% dextrose in 1/2 normal saline (D5 1/2 NS) solution is commonly administered to patients needing post-operative IV fluids. How could you prepare 500 mL of this solution? Dextrose is 5% (m/v) and the NaCl is 0.45% (m/v).Prepare one dose of 0.6 mg kanamycin in 2mL diluted from a stock solution of 20 mg/ml. How much kanamycin and how much diluent are used?