what is oil immersion and why is it used

Q: to dilute a sample by 1/3. For a final volume of 27 ml, how much sample would you add to how much…

A: The concentration of the solution fluctuates as it is diluted, but the number of moles of reactant…

Q: what does chroomatography observation mean

A: Column fractionation was developed in the 1890s as a technique of separating the various components…

Q: Does measuring using higher (50mL vs 100mL) produce more accurate and precise results?  Why?

A: In the realm of scientific measurements and laboratory practices, the choice of container size can…

Q: The two most abundant pigments in the chromatography results were carotene and Xanthophyll. What…

A: A photosynthetic pigment is a pigment which is found in green plants and do not  absorb all the…

Q: How do you calculate the amount of ammonium sulfate necessary to get a 20% solution?

A: Ammonium sulfate is the most commonly used for protein precipitation in protein purification.

Q: What is the underlying basis for the use of oil when using an oil immersion objective?

A: Microscopy is the technical field of using microscopes to view samples and objects that the naked…

Q: What is the difference between normal and reverse phase chromatography?

A: The main Difference between Normal and reverse phase chromatography is 1) In normal phase…

Q: By the means of gas stoichiometry, how soaps are created?

A: Soap is made up of animal fat or plant oil, as well as caustic soda. It dislodges dirt from surfaces…

Q: Why does the nitrate reduction tube turn red after the addition of zinc?

A: Nitrate reduction test is used to find the bacteria who have the ability to reduce the nitrate.

Q: What is the purpose for testing a specimen for hydrogen sulfide production?

A: Hydrogen sulfide is produced when a bacterial strain reduces the sulfur compounds.  The specimens…

Q: Why are so many anesthesia (such as ether, chloroform, etc.) fat solvents?

A: Any substance that causes a human to lose consciousness is considered an anaesthetic. Clinical…

Q: asystole

A: The cardiac cycle is the performance of the human heart from the beginning of one heartbeat to the…

Q: What purpose does water services in the “Effects of Antiseptics & Disinfectants” lab? What did you…

A: Antiseptics are used on living organisms, such as human skin, to kill any microorganisms living on…

Q: Why is it necessary to use immersion oil when the 100X objective is used'

A: Note - we answer one question at a time. Immersion oil is transparent and has specific viscosity and…

Q: What happened when potato strip placed in salt water?

A: 1) A solution mixture that exhibits a higher concentration of salt than the surrounding medium. Then…

Q: Which do you use first to clean the operating room, a disinfectant or a detergent? And why?

A: Operation theater is a sterile area where it should maintain the sterility to avoid occurance of any…

Q: Define nitrate reduction

A: Nitrogen Fixation:  Nitrogen fixation is the process by which atmospheric nitrogen (N2) is converted…

Q: What special precautions must be taken when using the oil immersion (100x) objective?

A: Using oil immersion reduces the air gap between the glass slide and the objective lens. This air gap…

Q: Why do we add powdered zinc to the nitrate reduction test?

A: Bacteria are prokaryotic simple unicellular organisms. Their mode of respiration may be aerobic or…