To achieve the required HLB of 11.5, what proportion of Tween 60 (HLB 14.9) and Span 20 (HLB 3.7) should be blended?
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11/23/22
Determine the HLB of a mixture of 45 grams of Span 80 (HLB 4.3) and 105 grams of polysorbate 80 (HLB 15).
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11/06/22
How would you prepare a serial dilution of methyl red starting with a stock solution of 2 mM and requiring at least 200 mL of the following concentrations, 25, 5, 1, 0.2, 0.04 mM?
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11/06/22
how do i answer this question?
What is the ratio of ionized/deionized cacodylate at pH 5 (pKa = 6.2)?
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03/14/22
Calculate the concentration for a sample of Cyt C with an absorbance at 280nm of 6 , giving your answers in units of mg protein/ml
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02/01/22
Which of the following statements apply to natural higher unsaturated fatty acids: (select one or more)
a. they usually contain an even number of carbon atomsb. they are cis-isomers c. some representatives cannot be synthesized in the human bodyd. are broken down into separate pathways that are not...
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