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Are these proper aim and hypothesis ?
mark). Aim: To understand how to use spectrometer and...
When using a spectrometer to measure the absorbance as a function of concentration, why do we...
When using a spectrometer to measure the absorbance as a function of concentration, why do we have to plot our calibration curve at the maximum wavelength (lambda max)? I know it's to get the highest point of absorbance and therefore ensure high sensitivity, but how does it affect my answers on the calibration curve? what if I didn't use lambda max?
INTRODUCTION Albumin is synthesised in the liver at a rate that is dependent on dietary protein...
INTRODUCTION Albumin is synthesised in the liver at a rate that is dependent on dietary protein intake. Little is lost from the body by excretion. It is catabolized in various tissues, where it is taken up by cells by pinocytosis. Albumin has a vast capacity for ligand binding due to the large number of charges on each molecule as well as the very large number of molecules available. This binding property of albumin is related to one of its functions,...
INTRODUCTION Albumin is synthesised in the liver at a rate that is dependent on dietary protein...
INTRODUCTION Albumin is synthesised in the liver at a rate that is dependent on dietary protein intake. Little is lost from the body by excretion. It is catabolized in various tissues, where it is taken up by cells by pinocytosis. Albumin has a vast capacity for ligand binding due to the large number of charges on each molecule as well as the very large number of molecules available. This binding property of albumin is related to one of its functions,...
Hi I need help with finding the triiodide in diluted soultion ( i think you use...
Hi I need help with finding the triiodide in diluted
soultion ( i think you use M1V1=M2V2) but I'm not sure with what
values. I also need it for the excinction coefficient value. b for
the equation is 1.3, please help!
Procedure termination of the absorption spectrum oftrilodide. Please review the discussion n spectroscopy in Experiment 15. Iodine and triodide solutions are both colored and of absorption absorb light in the visible region of the spectrum. Iodine has nm in...
Please type your answer so I can read it, and I just need help for question...
Please type your answer so I can read it, and I just
need help for question one ( Hypothesis ) don't worry about the
rest of them.
Experimental plan: You are provided with a standard solution of albumin, which is 60 g/L. This is known as the primary standard. Your task is, complete the table below to prepare 3 other standards with 15, 30 and 45 g/L concentration, respectively with the final volume of 1 mL. These are known as...
C++ Please! There are several fields in computer science that aim to understand how people use...
C++ Please! There are several fields in computer science that aim to understand how people use languages. One of the methods is to analyze the most frequently used words by certain writers. Write a program that reads in a text file and stores the unique words and their counts in the array and compute the following: The top n most frequent words found in the text file Total number of unique words Total number of words Program specifications Your program...
PROCEDURE Table 4.1: Dilutions of Albumin for Standard Curve Determination. SAMPLE NUMBER VOLUME OF 0.9% NACL...
PROCEDURE Table 4.1: Dilutions of Albumin for Standard Curve Determination. SAMPLE NUMBER VOLUME OF 0.9% NACL (mL) VOLUME OF 10 mg/ml ALBUMIN STOCK SOLUTION (mL) VOLUME OF BIURET REAGENT (mL) TOTAL VOLUME IN EACH TUBE ABSORBANCE READING ALBUMIN CONCENTRATION IN SOLUTION 1 (Blank) 1.0 mL OmL 4.0 mL 0.8 mL 0.2 mL 4.0 mL .4 0.6 mL 0.4 mL 4.0 mL 5 mL 5ml sme 5mL 5ml 5mL .228 .088 1 0.271 773 1.444 11827 0.4 mL 0.6 mL 4.0...
Please do the calculation step by step, so that I can understand the process. Try not...
Please do the calculation step by step, so that I can
understand the process. Try not to skip any steps. Thank
you
Using the raw data (attach below) from Part 2 and your
experimental value of the green laser's wavelength from procedure
2, determine the width of the hair (alternatively, you can use
wavelength = 532 nm). You might want to average the distance to the
fringes on either side of the maximum since they are not identical.
If you...
I am stuck on how to find concentration for standards and unknowns. Any kind of help would be appreciated. The correct...
I am stuck on how to find concentration for standards and
unknowns. Any kind of help would be appreciated.
The corrected absorbance is = Blank - absorbance
1. Prepare the BCA working reagent. Use a graduated cylinder and add 30 ml of the BCA reagent into a 50 ml Erlenmeyer flask. Use the appropriate micropipette to add 600 uL of the CuSO4 solution into the flask and mix by swirling the flask. Record the exact mass of albumin and the...
Beer’s Law Objective : We will explore an application of absorption spectroscopy using calibration curves and...
Beer’s Law Objective : We will explore an application of absorption spectroscopy using calibration curves and Beer’s Law. Use the “LAB : HOW TO…” link from the class website if you need help with how to use balance, Bunsen burner… and such. Introduction: You may write this information in your lab notebook for your own reference. It can’t be cut and pasted. Different solutions have different spectral properties. In this portion of the experiment those properties will be utilized to...
Hi I need help with finding the triiodide in diluted
soultion ( i think you use M1V1=M2V2) but I'm not sure with what
values. I also need it for the excinction coefficient value. b for
the equation is 1.3, please help!
Procedure termination of the absorption spectrum oftrilodide. Please review the discussion n spectroscopy in Experiment 15. Iodine and triodide solutions are both colored and of absorption absorb light in the visible region of the spectrum. Iodine has nm in...
Please type your answer so I can read it, and I just
need help for question one ( Hypothesis ) don't worry about the
rest of them.
Experimental plan: You are provided with a standard solution of albumin, which is 60 g/L. This is known as the primary standard. Your task is, complete the table below to prepare 3 other standards with 15, 30 and 45 g/L concentration, respectively with the final volume of 1 mL. These are known as...
PROCEDURE Table 4.1: Dilutions of Albumin for Standard Curve Determination. SAMPLE NUMBER VOLUME OF 0.9% NACL (mL) VOLUME OF 10 mg/ml ALBUMIN STOCK SOLUTION (mL) VOLUME OF BIURET REAGENT (mL) TOTAL VOLUME IN EACH TUBE ABSORBANCE READING ALBUMIN CONCENTRATION IN SOLUTION 1 (Blank) 1.0 mL OmL 4.0 mL 0.8 mL 0.2 mL 4.0 mL .4 0.6 mL 0.4 mL 4.0 mL 5 mL 5ml sme 5mL 5ml 5mL .228 .088 1 0.271 773 1.444 11827 0.4 mL 0.6 mL 4.0...
Please do the calculation step by step, so that I can
understand the process. Try not to skip any steps. Thank
you
Using the raw data (attach below) from Part 2 and your
experimental value of the green laser's wavelength from procedure
2, determine the width of the hair (alternatively, you can use
wavelength = 532 nm). You might want to average the distance to the
fringes on either side of the maximum since they are not identical.
If you...
I am stuck on how to find concentration for standards and
unknowns. Any kind of help would be appreciated.
The corrected absorbance is = Blank - absorbance
1. Prepare the BCA working reagent. Use a graduated cylinder and add 30 ml of the BCA reagent into a 50 ml Erlenmeyer flask. Use the appropriate micropipette to add 600 uL of the CuSO4 solution into the flask and mix by swirling the flask. Record the exact mass of albumin and the...
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