Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Calculate the Concentration of Unknown Solution from Standard Curve?
i) First take different volume of standard solution (say 0.2, 0.4, 0.6, 0.8, 1.0 ml) and then calculate the concentration of the standard solution added in each tube.
ii) Measure the optical density for each concentration in a spectrophotometer or colorimeter.
iii) Next, plot the concentration of the standards solution (taken on the x axis) and the corresponding OD (taken on the y axis) and the graph is prepared to give a standard curve which is a straight line (since it obeys Beer's law).
iv) Now take the unknown solution (say 1ml) and measure its OD reading. Suppose the value obtained is 0.40. Plot it on the y-axis of the standard curve (already prepared for the standard solution)
The concentration obtained is 275. This is the concentration of our unknown solution for the volume that we took (say1 ml).
Munch Pressure Flow Model Munch, a German plant physiologist, proposed in 1930, a simple physical model which can be tested in the laboratory for the mechanism of phloem trans
Timing and number of doses It has been common practice to give antibiotics at the time of anesthesia induction, which results in adequate serum and tissue levels of the drugs;
Are fruits always the flesh part of the "fruits"? Is the edible part of the onion a fruit? In some so-called fruits the actual fruit is not the flesh part. For instance, the fl
briefly describe the eggs and follicles
What is the action mechanism of the antibiotic penicillin? Penicillin, discovered by the Scottish doctor Alexander Fleming in 1928, is a drug that inhibits enzymes essential fo
The dietary principles underlying the enteric diet include: High calorie High protein High carbohydrate Moderate fat High fluid Low fibre and soft diet
Respiratory Insufficiency Respiratory insufficiency usually indicate inadequate exchange of oxygen and carbondioxide to meet the needs of the body during normal activities.
PROVIDE a specific example for epithelial and connective tissues, how the arrangement of cells helps with tissue functioning?
What is antistaphylococcal prophylaxis and pseudomonas aeruginosa? I''m doing a project on cystic fibrosis, and I''m curious what these terms have to do with the disease. Thanks!
Water is considered a universal solvent because- Select one: a. it can dissolve polar and non-polar compounds b. it can dissolve both positively and negatively charged ions a
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd