What is the reagent used to detect glucose in the ph and temperature experiments? What is its principle? What is the principle of the spectrophotometer?

Q: p between absorbance (A) and transmittance (T) for the basic spectrophotometer technique.

A: A method to measure how much a chemical substance absorbs light by measuring the intensity of light…

Q: What is the result for the yellow tube of Methyl red test? What must the pH be in each tube? What is…

A: Methyl red test This test usually aims to differentiate the facultative anaerobes enteric bacteria.…

Q: What is the relationship of concentration and absorbance based on the table and what are the changes…

A: The concentration of a solute in a solution can be determined spectrophotometrically by passing a…

Q: How to count the number of colonies forming units per milliliter (CFUs per ml) of the sample?

A: A viable cell is one that has the ability to divide and form a colony. The colony-forming unit (CFU)…

Q: Write the materials,  reagents, Principle and  procedure for the Periodic acid Schiff technique

A: Answer: STAINING = It is the method to colorize the smear or transparent tissue or cells in order to…

Q: What is the range of pocket thermometer?

A: They are lightweight digital thermometers. They have a built in pocket clip. It is constructed using…

Q: What are the underlying physical principles of paper chromatography? What is spectrophotometry, the…

A: Analysis of different compounds quantitatively and qualitatively is an important aspect of research…

Q: Does different kinds or types of tea produces different amount of caffeine content? Why? Why does…

A: Caffeine is categorized as a type of a bitter substance. The caffeine occurs  in a number of…

Q: Write shortly about the instrumentation of ATR spectroscopy?  Answer should be to the point.

A: ATR(Attenuated Total Reflectance), is the sampling technique used in infrared spectroscopy (IR) to…

Q: What are the advantages and disadvantages of the filter method in the analysis of water samples?

A: Utilising the membrane filter method, test is gone through the layer utilising a filter funnel and…

Q: phenazopyridine

A: Phenazopyridine could be a pain reliever that affects the lower a part of your tract (bladder and…

Q: WHAT ARE THE Steps in spectrophotometer

A: -Spectrophotometer is an optical instrument which is used to measure the concentration of a known…

Q: Suppose you were in a research lab in Romania and the lab is equipped with several…

A: Proteins are biomolecules that play a variety of roles in living systems. They include catalysis,…

Q: What is known as electropherogram ?

A: An analytical procedure that is used for the separation of fragments of DNA or RNA, in terms of…

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 is a blank used in the spectrophotometer before the actual pigment is tested?

A: spectrophotometer is a device used in spectral analytical techniques like UV spectroscopy , in which…

Q: Why is it that a warm cuvette does not lose any significant heat during the absorbance measurement…

A: An absorption spectrophotometer is defined as a device that is used to calculate the absorbed light…

Q: Using pearson's square, how to attain 30o Brix syrup using  50oBrix and 20o Brix syrup solutions?

A: Here, the given two available syrups are 50°Brix and 20°Brix, that is one of the solutions is higher…

Q: What non-titrimetric method can be used to determine the iodine value of edible oil? Discuss its…

A: Triglycerides are found in fats and oils. Fatty acyl esters join three fatty acids to glycerol to…

Q: What is a Spectrogram

A: Spectrogram is a visual way of viewing the spectrum of frequencies of signal that varies with time.

Q: What are the two principal types of mass spectrometry?

A: Mass spectrometry is used to determine the mass-to-charge ratio of ions and separate them according…

Q: Why are quantitative absorbance measurements made at lambda max?

A: Introduction :- Using spectrum of wavelength , different levels of absorption can be calculated. It…

Q: A student while performing the casein precipitation using isoelectric pH, observed maximum…

A: Casein is the main protein present in milk. It is a phosphoprotein, phosphate groups are attached to…

Q: What are the possible errors that could occur during the titration experiment to determine acetic…

A: Titration is the analytical  method which  determine the unknown concentration of the chemical…

Q: In a spectrophotometer, what should be the appearance on the graph if the sample is pure? presence…

A: Spectrophometry is a widely used technique in identification and confirmation of chemical…

Q: How do I find the optimal temperature for the iodine and starch experiment?

A: The optimal temperature for a particular enzyme is the temperature at which the enzyme attains…

Q: what does it mean if a pigment (let' say 'yellow') traveled beyond the solvent front in paper…

A: Paper chromatography is the process of separation technique which involved in speraration of…

Q: What is the importance of normalization of data in fluorescence spectroscopy

A: Introduction :- An electromagnetic spectroscopy technique called fluorescence spectroscopy examines…

Q: Why does one see methyl orange as orange in color? What blank would be used to standardize this…

A: 1. Methyl orange is a pH indicator frequently used in titration because of its clear and distinct…

Q: What is the reason for the decrease in the ABS value over time when measuring in the…

A: A spectrophotometer is a device used in an analytical chemistry lab to measures the amount of light…

Q: What is the main application of Atomic absorption spectrophotometer (AAS)?

A: The Atomic Absorption Spectrophotometer (AAS) is primarily used to quantify the presence of several…

Q: What is meant by the term plating efficiency?

A: The cells are cultured over the plate at the particular growth conditions within a particular time…

Q: Explain the color changes observed throughout the peroxide value of oil experiment. Materials: 1.…

A: The unsaturated fat when undergoing oxidation forms peroxide so the peroxide value denotes the…

Q: mportance of pH adjustment in culture media?

A: Culture media is also known as growth media. It is a mixture of nutrients that helps for the growth…

Q: What is the importance of sllid width in fluorescence spectroscopy

A: Fluorescent microscopy is often used to image specific features of small specimens such as microbes.

Q: In the spectrophotometer, why is there a need to measure a 'blank' sample? What will happen to the…

A: A spectrophotometer is one of the most frequent tools used by scientists to determine the presence…

Q: What is the purpose of the respirometer with just rocks (the thermobar)? What conditions would cause…

A: Introduction  A respirometer measures the rate of oxygen and/or carbon dioxide exchange in a living…

Q: What is the principle involved in the Dinitro salicylic (DNS) colorimetric method?

A: DNSA refers to 3, 5-dinitrosalicylic acid. It is an aromatic compound. It is widely used in…

Q: What is the meaning of BSC or biological safety cabinet and why is it important and how is it works?

A: Introduction: Biosafety issues refer to the procedures, policies, and principles to be adopted to…

Q: Which of the following is/are source/s of error in performing a spectrophotometric method? Answer…

A: Spectrophotometery It refers to a technique which is helpful in identifying the solute concentration…

Q: What are the advantages of solid media  ?

A: Microbial culture is a method of multiplying microbes by allowing them to reproduce in a…

Q: What is the formula to determine the actual size of an organism?

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Why is cobalt chloride paper used in the experiments?

A: The indicators are used in the experiment to detect the distinct observable change. Many types of…

Q: Which of the following scientists use this X-ray crystallography?

A: X-ray crystallography is the experimental science determining the atomic and molecular structure of…

Q: What is this instrument? What reading does it provide? What is the tube with only solvent in it…

A: INTRODUCTION Spectrophotometer A spectrophotometer measures the amount of intensity of light a…

Q: What is the stationary and mobile phase of spectrophotometry?

A: Introduction A biotechnique based on the principle of quantitative measurement of light intensity…

Q: What is the purpose of setting the spectrophotometer to zero absorbance using a blank solution?

A: Spectroscopy is a procedure utilized for the evaluation, portrayal, and basic investigation of a…